diff --git a/packages/views/runtimes/components/runtime-detail.tsx b/packages/views/runtimes/components/runtime-detail.tsx
index 0ff82eb38..f825f1a8d 100644
--- a/packages/views/runtimes/components/runtime-detail.tsx
+++ b/packages/views/runtimes/components/runtime-detail.tsx
@@ -20,6 +20,7 @@ import {
   AlertDialogHeader,
   AlertDialogTitle,
 } from "@multica/ui/components/ui/alert-dialog";
+import { ActorAvatar } from "../../common/actor-avatar";
 import { formatLastSeen } from "../utils";
 import { RuntimeModeIcon, StatusBadge, InfoField } from "./shared";
 import { PingSection } from "./ping-section";
@@ -50,9 +51,8 @@ export function RuntimeDetail({ runtime }: { runtime: AgentRuntime }) {
 
   // Resolve owner info
   const ownerMember = runtime.owner_id
-    ? members.find((m) => m.user_id === runtime.owner_id)
+    ? members.find((m) => m.user_id === runtime.owner_id) ?? null
     : null;
-  const ownerName = ownerMember?.name ?? null;
 
   // Permission check for delete
   const currentMember = user
@@ -118,7 +118,19 @@ export function RuntimeDetail({ runtime }: { runtime: AgentRuntime }) {
             label="Last Seen"
             value={formatLastSeen(runtime.last_seen_at)}
           />
-          {ownerName && <InfoField label="Owner" value={ownerName} />}
+          {ownerMember && (
+            <div>
+              <div className="text-xs text-muted-foreground mb-1">Owner</div>
+              <div className="flex items-center gap-2">
+                <ActorAvatar
+                  actorType="member"
+                  actorId={ownerMember.user_id}
+                  size={20}
+                />
+                <span className="text-sm">{ownerMember.name}</span>
+              </div>
+            </div>
+          )}
           {runtime.device_info && (
             <InfoField label="Device" value={runtime.device_info} />
           )}
diff --git a/packages/views/runtimes/components/runtime-list.tsx b/packages/views/runtimes/components/runtime-list.tsx
index 04c112b74..4bbb1a8f4 100644
--- a/packages/views/runtimes/components/runtime-list.tsx
+++ b/packages/views/runtimes/components/runtime-list.tsx
@@ -1,8 +1,9 @@
 import { Server } from "lucide-react";
 import { useQuery } from "@tanstack/react-query";
-import type { AgentRuntime } from "@multica/core/types";
+import type { AgentRuntime, MemberWithUser } from "@multica/core/types";
 import { useWorkspaceId } from "@multica/core/hooks";
 import { memberListOptions } from "@multica/core/workspace/queries";
+import { ActorAvatar } from "../../common/actor-avatar";
 import { RuntimeModeIcon } from "./shared";
 
 type RuntimeFilter = "mine" | "all";
@@ -10,12 +11,12 @@ type RuntimeFilter = "mine" | "all";
 function RuntimeListItem({
   runtime,
   isSelected,
-  ownerName,
+  ownerMember,
   onClick,
 }: {
   runtime: AgentRuntime;
   isSelected: boolean;
-  ownerName: string | null;
+  ownerMember: MemberWithUser | null;
   onClick: () => void;
 }) {
   return (
@@ -34,9 +35,19 @@ function RuntimeListItem({
       </div>
       <div className="min-w-0 flex-1">
         <div className="truncate text-sm font-medium">{runtime.name}</div>
-        <div className="mt-0.5 truncate text-xs text-muted-foreground">
-          {runtime.provider} &middot; {runtime.runtime_mode}
-          {ownerName && <> &middot; {ownerName}</>}
+        <div className="mt-0.5 flex items-center gap-1 text-xs text-muted-foreground">
+          {ownerMember && (
+            <>
+              <ActorAvatar
+                actorType="member"
+                actorId={ownerMember.user_id}
+                size={14}
+              />
+              <span className="truncate">{ownerMember.name}</span>
+              <span>&middot;</span>
+            </>
+          )}
+          <span className="truncate">{runtime.provider}</span>
         </div>
       </div>
       <div
@@ -54,35 +65,51 @@ export function RuntimeList({
   onSelect,
   filter,
   onFilterChange,
+  ownerFilter,
+  onOwnerFilterChange,
 }: {
   runtimes: AgentRuntime[];
   selectedId: string;
   onSelect: (id: string) => void;
   filter: RuntimeFilter;
   onFilterChange: (filter: RuntimeFilter) => void;
+  ownerFilter: string | null;
+  onOwnerFilterChange: (ownerId: string | null) => void;
 }) {
   const wsId = useWorkspaceId();
   const { data: members = [] } = useQuery(memberListOptions(wsId));
 
-  const getOwnerName = (ownerId: string | null) => {
+  const getOwnerMember = (ownerId: string | null) => {
     if (!ownerId) return null;
-    return members.find((m) => m.user_id === ownerId)?.name ?? null;
+    return members.find((m) => m.user_id === ownerId) ?? null;
   };
 
+  // Get unique owners from runtimes for filter dropdown
+  const uniqueOwners = filter === "all"
+    ? Array.from(new Set(runtimes.map((r) => r.owner_id).filter(Boolean) as string[]))
+        .map((id) => members.find((m) => m.user_id === id))
+        .filter(Boolean) as MemberWithUser[]
+    : [];
+
+  // Apply client-side owner filter when in "all" mode
+  const filteredRuntimes = filter === "all" && ownerFilter
+    ? runtimes.filter((r) => r.owner_id === ownerFilter)
+    : runtimes;
+
   return (
     <div className="overflow-y-auto h-full border-r">
       <div className="flex h-12 items-center justify-between border-b px-4">
         <h1 className="text-sm font-semibold">Runtimes</h1>
         <span className="text-xs text-muted-foreground">
-          {runtimes.filter((r) => r.status === "online").length}/
-          {runtimes.length} online
+          {filteredRuntimes.filter((r) => r.status === "online").length}/
+          {filteredRuntimes.length} online
         </span>
       </div>
 
       {/* Filter toggle */}
-      <div className="flex border-b px-4 py-2 gap-1">
+      <div className="flex items-center gap-1 border-b px-4 py-2">
         <button
-          onClick={() => onFilterChange("mine")}
+          onClick={() => { onFilterChange("mine"); onOwnerFilterChange(null); }}
           className={`rounded-md px-2.5 py-1 text-xs font-medium transition-colors ${
             filter === "mine"
               ? "bg-accent text-accent-foreground"
@@ -92,22 +119,48 @@ export function RuntimeList({
           Mine
         </button>
         <button
-          onClick={() => onFilterChange("all")}
+          onClick={() => { onFilterChange("all"); onOwnerFilterChange(null); }}
           className={`rounded-md px-2.5 py-1 text-xs font-medium transition-colors ${
-            filter === "all"
+            filter === "all" && !ownerFilter
               ? "bg-accent text-accent-foreground"
               : "text-muted-foreground hover:text-foreground"
           }`}
         >
           All
         </button>
+
+        {/* Owner filter pills (shown in "all" mode when there are multiple owners) */}
+        {filter === "all" && uniqueOwners.length > 1 && (
+          <>
+            <div className="mx-1 h-4 w-px bg-border" />
+            {uniqueOwners.map((m) => (
+              <button
+                key={m.user_id}
+                onClick={() => onOwnerFilterChange(ownerFilter === m.user_id ? null : m.user_id)}
+                className={`flex items-center gap-1 rounded-md px-2 py-1 text-xs font-medium transition-colors ${
+                  ownerFilter === m.user_id
+                    ? "bg-accent text-accent-foreground"
+                    : "text-muted-foreground hover:text-foreground"
+                }`}
+                title={m.name}
+              >
+                <ActorAvatar
+                  actorType="member"
+                  actorId={m.user_id}
+                  size={14}
+                />
+                <span className="max-w-16 truncate">{m.name}</span>
+              </button>
+            ))}
+          </>
+        )}
       </div>
 
-      {runtimes.length === 0 ? (
+      {filteredRuntimes.length === 0 ? (
         <div className="flex flex-col items-center justify-center px-4 py-12">
           <Server className="h-8 w-8 text-muted-foreground/40" />
           <p className="mt-3 text-sm text-muted-foreground">
-            {filter === "mine" ? "No runtimes owned by you" : "No runtimes registered"}
+            {filter === "mine" ? "No runtimes owned by you" : ownerFilter ? "No runtimes for this owner" : "No runtimes registered"}
           </p>
           <p className="mt-1 text-xs text-muted-foreground text-center">
             Run{" "}
@@ -119,12 +172,12 @@ export function RuntimeList({
         </div>
       ) : (
         <div className="divide-y">
-          {runtimes.map((runtime) => (
+          {filteredRuntimes.map((runtime) => (
             <RuntimeListItem
               key={runtime.id}
               runtime={runtime}
               isSelected={runtime.id === selectedId}
-              ownerName={filter === "all" ? getOwnerName(runtime.owner_id) : null}
+              ownerMember={getOwnerMember(runtime.owner_id)}
               onClick={() => onSelect(runtime.id)}
             />
           ))}
diff --git a/packages/views/runtimes/components/runtimes-page.tsx b/packages/views/runtimes/components/runtimes-page.tsx
index 3d550fd5d..db8b5d5fd 100644
--- a/packages/views/runtimes/components/runtimes-page.tsx
+++ b/packages/views/runtimes/components/runtimes-page.tsx
@@ -24,6 +24,7 @@ export default function RuntimesPage() {
   const wsId = useWorkspaceId();
   const qc = useQueryClient();
   const [filter, setFilter] = useState<RuntimeFilter>("mine");
+  const [ownerFilter, setOwnerFilter] = useState<string | null>(null);
   const [selectedId, setSelectedId] = useState("");
 
   const ownerParam = filter === "mine" ? "me" as const : undefined;
@@ -102,6 +103,8 @@ export default function RuntimesPage() {
           onSelect={setSelectedId}
           filter={filter}
           onFilterChange={setFilter}
+          ownerFilter={ownerFilter}
+          onOwnerFilterChange={setOwnerFilter}
         />
       </ResizablePanel>