diff --git a/src/components/production/ProductionDashboard/types.ts b/src/components/production/ProductionDashboard/types.ts
index 267b232c..87903135 100644
--- a/src/components/production/ProductionDashboard/types.ts
+++ b/src/components/production/ProductionDashboard/types.ts
@@ -33,6 +33,7 @@ export interface WorkOrder {
   salesOrderNo?: string;     // 수주번호
   salesManager?: string;     // 수주 담당자 (orders.options.manager_name)
   managerPhone?: string;     // 담당자 연락처 (orders.client_contact)
+  assigneeId?: number | null; // 주 담당자 ID (work_orders.assignee_id)
   teamId?: number | null;    // 배정 부서 ID (work_orders.team_id)
   teamName?: string;         // 배정 부서명
   processDepartment?: string; // 공정 담당부서명 (processes.department)
diff --git a/src/components/production/WorkerScreen/actions.ts b/src/components/production/WorkerScreen/actions.ts
index 084b6644..ac554c95 100644
--- a/src/components/production/WorkerScreen/actions.ts
+++ b/src/components/production/WorkerScreen/actions.ts
@@ -200,6 +200,7 @@ function transformToWorkerScreenFormat(api: WorkOrderApiItem): WorkOrder {
     salesOrderNo: api.sales_order?.order_no || undefined,
     salesManager: api.sales_order?.options?.manager_name as string || undefined,
     managerPhone: api.sales_order?.client_contact || undefined,
+    assigneeId: api.assignee?.id ?? null,
     teamId: api.team_id ?? null,
     teamName: api.team?.name || undefined,
     processDepartment: api.process?.department || undefined,
@@ -251,16 +252,16 @@ export async function completeWorkOrder(
   return { success: true, lotNo };
 }
 
-// ===== 작업지시 생산일자 업데이트 =====
-export async function updateWorkOrderScheduledDate(
+// ===== 작업지시 작업정보 업데이트 (생산일자/부서/담당자) =====
+export async function updateWorkOrderInfo(
   id: string,
-  scheduledDate: string
+  data: { scheduled_date?: string; team_id?: number | null; assignee_id?: number | null }
 ): Promise<{ success: boolean; error?: string }> {
   const result = await executeServerAction({
     url: `${API_URL}/api/v1/work-orders/${id}`,
     method: 'PUT',
-    body: { scheduled_date: scheduledDate },
-    errorMessage: '생산일자 저장에 실패했습니다.',
+    body: data,
+    errorMessage: '작업정보 저장에 실패했습니다.',
   });
   return { success: result.success, error: result.error };
 }
diff --git a/src/components/production/WorkerScreen/index.tsx b/src/components/production/WorkerScreen/index.tsx
index 5a4a2eaa..10ffea83 100644
--- a/src/components/production/WorkerScreen/index.tsx
+++ b/src/components/production/WorkerScreen/index.tsx
@@ -49,7 +49,7 @@ import { Button } from '@/components/ui/button';
 import { PageLayout } from '@/components/organisms/PageLayout';
 import { cn } from '@/lib/utils';
 import { toast } from 'sonner';
-import { getMyWorkOrders, completeWorkOrder, saveItemInspection, getWorkOrderInspectionData, saveInspectionDocument, getInspectionTemplate, getStepProgress, toggleStepProgress, deleteMaterialInput, updateMaterialInput, getDepartments, getDepartmentUsers, updateWorkOrderScheduledDate } from './actions';
+import { getMyWorkOrders, completeWorkOrder, saveItemInspection, getWorkOrderInspectionData, saveInspectionDocument, getInspectionTemplate, getStepProgress, toggleStepProgress, deleteMaterialInput, updateMaterialInput, getDepartments, getDepartmentUsers, updateWorkOrderInfo } from './actions';
 import type { StepProgressItem, DepartmentOption, DepartmentUser } from './actions';
 import type { InspectionTemplateData } from './types';
 import { getProcessList } from '@/components/process-management/actions';
@@ -876,6 +876,8 @@ export default function WorkerScreen() {
       } else {
         setDepartmentId('');
       }
+      // 생산담당자 세팅
+      setProductionManagerId(apiOrder.assigneeId ? String(apiOrder.assigneeId) : '');
       // 생산일자 세팅
       setProductionDate(apiOrder.scheduledDate || '');
     } else {
@@ -1369,7 +1371,7 @@ export default function WorkerScreen() {
         // 4. 생산일자 자동 저장 (검사 완료 시점 = 생산일자)
         if (selectedOrder) {
           const today = new Date().toISOString().slice(0, 10);
-          await updateWorkOrderScheduledDate(selectedOrder.id, today);
+          await updateWorkOrderInfo(selectedOrder.id, { scheduled_date: today });
           setProductionDate(today);
         }
 
@@ -1577,7 +1579,12 @@ export default function WorkerScreen() {
                           <Select
                             key={`dept-${departmentId}`}
                             value={departmentId}
-                            onValueChange={setDepartmentId}
+                            onValueChange={(v) => {
+                              setDepartmentId(v);
+                              if (selectedOrder && v) {
+                                updateWorkOrderInfo(selectedOrder.id, { team_id: Number(v) });
+                              }
+                            }}
                           >
                             <SelectTrigger>
                               <SelectValue placeholder="선택" />
@@ -1596,7 +1603,12 @@ export default function WorkerScreen() {
                           <Select
                             key={`manager-${departmentId}-${productionManagerId}`}
                             value={productionManagerId}
-                            onValueChange={setProductionManagerId}
+                            onValueChange={(v) => {
+                              setProductionManagerId(v);
+                              if (selectedOrder && v) {
+                                updateWorkOrderInfo(selectedOrder.id, { assignee_id: Number(v) });
+                              }
+                            }}
                             disabled={!departmentId}
                           >
                             <SelectTrigger>
@@ -1615,7 +1627,12 @@ export default function WorkerScreen() {
                           <Label className="text-sm text-gray-600">생산일자</Label>
                           <DatePicker
                             value={productionDate}
-                            onChange={(date) => setProductionDate(date)}
+                            onChange={(date) => {
+                              setProductionDate(date);
+                              if (selectedOrder && date) {
+                                updateWorkOrderInfo(selectedOrder.id, { scheduled_date: date });
+                              }
+                            }}
                           />
                         </div>
                       </div>