diff --git a/frontend/src/queries/schema.json b/frontend/src/queries/schema.json
index ad4e3ead688fd..898d4e0974004 100644
--- a/frontend/src/queries/schema.json
+++ b/frontend/src/queries/schema.json
@@ -2659,7 +2659,14 @@
                     "type": "string"
                 },
                 "day": {
-                    "type": "string"
+                    "anyOf": [
+                        {
+                            "type": "string"
+                        },
+                        {
+                            "$ref": "#/definitions/Day"
+                        }
+                    ]
                 },
                 "includeRecordings": {
                     "type": "boolean"
diff --git a/frontend/src/queries/schema.ts b/frontend/src/queries/schema.ts
index ddef219904e99..7eaa1734ea463 100644
--- a/frontend/src/queries/schema.ts
+++ b/frontend/src/queries/schema.ts
@@ -1091,7 +1091,7 @@ export interface InsightActorsQueryBase {
 export interface InsightActorsQuery<T extends InsightsQueryBase = InsightQuerySource> extends InsightActorsQueryBase {
     kind: NodeKind.InsightActorsQuery
     source: T
-    day?: string
+    day?: string | Day
     status?: string
     /** An interval selected out of available intervals in source query. */
     interval?: integer
diff --git a/posthog/hogql_queries/insights/insight_actors_query_runner.py b/posthog/hogql_queries/insights/insight_actors_query_runner.py
index 782dd5b054a0e..a0e38abae1776 100644
--- a/posthog/hogql_queries/insights/insight_actors_query_runner.py
+++ b/posthog/hogql_queries/insights/insight_actors_query_runner.py
@@ -1,5 +1,5 @@
 from datetime import timedelta
-from typing import cast
+from typing import cast, Optional
 
 from posthog.hogql import ast
 from posthog.hogql.query import execute_hogql_query
@@ -37,7 +37,7 @@ def to_query(self) -> ast.SelectQuery | ast.SelectUnionQuery:
             trends_runner = cast(TrendsQueryRunner, self.source_runner)
             query = cast(InsightActorsQuery, self.query)
             return trends_runner.to_actors_query(
-                time_frame=query.day,
+                time_frame=cast(Optional[str], query.day),  # Other runner accept day as int, but not this one
                 series_index=query.series or 0,
                 breakdown_value=query.breakdown,
                 compare=query.compare,
diff --git a/posthog/schema.py b/posthog/schema.py
index 14da6ae16e515..dc77da163db17 100644
--- a/posthog/schema.py
+++ b/posthog/schema.py
@@ -2806,7 +2806,7 @@ class InsightActorsQuery(BaseModel):
     )
     breakdown: Optional[Union[str, int]] = None
     compare: Optional[Compare] = None
-    day: Optional[str] = None
+    day: Optional[Union[str, int]] = None
     includeRecordings: Optional[bool] = None
     interval: Optional[int] = Field(
         default=None, description="An interval selected out of available intervals in source query."