diff --git a/vizro-core/examples/default/app.py b/vizro-core/examples/default/app.py
index 8035f5197..d6b34c1d2 100644
--- a/vizro-core/examples/default/app.py
+++ b/vizro-core/examples/default/app.py
@@ -61,9 +61,7 @@ def AgGrid(data_frame=None):
         vm.Table(
             id="table_id",
             figure=dash_data_table(
-                id="dash_datatable_id",
-                data_frame="table_data",
-                style_header={"border": "1px solid green"},
+                id="dash_datatable_id", data_frame="table_data", style_cell={"border": "5px solid green"},
             ),
             actions=[
                 vm.Action(id="filter_interaction", function=filter_interaction(targets=["scatter_chart", "table_2_id"]))
@@ -83,7 +81,7 @@ def AgGrid(data_frame=None):
         vm.Table(
             id="table_2_id",
             figure=dash_data_table(
-                id="dash_datatable_id_2", data_frame=data, style_header={"border": "1px solid green"}
+                id="dash_datatable_id_2", data_frame=data, style_cell={"border": "5px solid green"}
             ),
             actions=[vm.Action(id="filter_interaction_2", function=filter_interaction(targets=["scatter_chart"]))],
         ),
@@ -98,8 +96,8 @@ def AgGrid(data_frame=None):
     controls=[
         vm.Filter(column="State", selector=vm.Dropdown()),
         vm.Parameter(
-            targets=["table_id.style_header.border", "table_2_id.style_header.border"],
-            selector=vm.RadioItems(options=["1px solid green", "1px solid pink"]),
+            targets=["table_id.style_cell.border", "table_2_id.style_cell.border"],
+            selector=vm.RadioItems(options=["5px solid green", "5px solid pink"]),
         ),
     ],
 )
diff --git a/vizro-core/src/vizro/actions/_actions_utils.py b/vizro-core/src/vizro/actions/_actions_utils.py
index 62cc62081..699309a38 100644
--- a/vizro-core/src/vizro/actions/_actions_utils.py
+++ b/vizro-core/src/vizro/actions/_actions_utils.py
@@ -14,7 +14,7 @@
 from vizro.models.types import MultiValueType, SelectorType, SingleValueType
 
 if TYPE_CHECKING:
-    from vizro.models import Action
+    from vizro.models import Action, Table
 
 ValidatedNoneValueType = Union[SingleValueType, MultiValueType, None, List[None]]
 
@@ -65,7 +65,7 @@ def _apply_filters(
 
 def _apply_chart_filter_interaction(
     data_frame: pd.DataFrame, target: str, ctd_filter_interaction: Dict[str, CallbackTriggerDict]
-):
+) -> pd.DataFrame:
     ctd_click_data = ctd_filter_interaction["clickData"]
     if not ctd_click_data["value"]:
         return data_frame
@@ -88,17 +88,18 @@ def _apply_chart_filter_interaction(
     return data_frame
 
 
-def _get_parent_vizro_table(_underlying_table_id: str):
+def _get_parent_vizro_table(_underlying_table_id: str) -> Table:
     from vizro.models import Table
 
     for _, table in model_manager._items_with_type(Table):
         if table._underlying_table_id == _underlying_table_id:
             return table
+    raise KeyError(f"No parent Vizro.Table component found for underlying table with id {_underlying_table_id}.")
 
 
 def _apply_table_filter_interaction(
     data_frame: pd.DataFrame, target: str, ctd_filter_interaction: Dict[str, CallbackTriggerDict]
-):
+) -> pd.DataFrame:
     ctd_active_cell = ctd_filter_interaction["active_cell"]
     ctd_derived_viewport_data = ctd_filter_interaction["derived_viewport_data"]
     if not ctd_active_cell["value"] or not ctd_derived_viewport_data["value"]: