diff --git a/lib/api_tmdb/tmdb_api.py b/lib/api_tmdb/tmdb_api.py
index 64516a8d..0355bccd 100644
--- a/lib/api_tmdb/tmdb_api.py
+++ b/lib/api_tmdb/tmdb_api.py
@@ -360,8 +360,8 @@ class TmdbIndexer(TVInfoBase):
             characters.append(
                 TVInfoCharacter(name=clean_char_name, ti_show=ti_show, person=[_it_person_obj],
                                 episode_count=character.get('episode_count'),
-                                plays_self=clean_char_name and
-                                (clean_char_name or '').lower() in ('self', clean_lower_person_name))
+                                plays_self=enforce_type(clean_char_name and
+                                (clean_char_name or '').lower() in ('self', clean_lower_person_name), bool, False)),
             )
 
         _it_person_obj.characters = characters
@@ -768,8 +768,8 @@ class TmdbIndexer(TVInfoBase):
                         clean_lower_person_name = (clean_person_name or '').lower() or None
                         character_obj = TVInfoCharacter(
                             name=clean_char_name,
-                            plays_self=clean_char_name and
-                            (clean_char_name or '').lower() in ('self', clean_lower_person_name),
+                            plays_self=enforce_type(clean_char_name and
+                            (clean_char_name or '').lower() in ('self', clean_lower_person_name), bool, False),
                             person=[
                                 TVInfoPerson(
                                     p_id=person_obj['id'], name=clean_person_name,
diff --git a/lib/api_trakt/indexerapiinterface.py b/lib/api_trakt/indexerapiinterface.py
index 0318901c..13b235a8 100644
--- a/lib/api_trakt/indexerapiinterface.py
+++ b/lib/api_trakt/indexerapiinterface.py
@@ -333,7 +333,8 @@ class TraktIndexer(TVInfoBase):
                                 _ti_character = TVInfoCharacter(
                                     name=clean_ch, regular=c.get('series_regular'), ti_show=ti_show, person=[result],
                                     episode_count=c.get('episode_count'),
-                                    plays_self=(clean_ch or '').lower() in ('self', clean_lower_person_name))
+                                    plays_self=enforce_type((clean_ch or '').lower() in
+                                                            ('self', clean_lower_person_name), bool, False))
                                 pc.append(_ti_character)
                                 ti_show.cast[(RoleTypes.ActorGuest, RoleTypes.ActorMain)[
                                     c.get('series_regular', False)]].append(_ti_character)
diff --git a/lib/api_tvmaze/tvmaze_api.py b/lib/api_tvmaze/tvmaze_api.py
index f019d360..90c6e336 100644
--- a/lib/api_tvmaze/tvmaze_api.py
+++ b/lib/api_tvmaze/tvmaze_api.py
@@ -443,7 +443,8 @@ class TvMaze(TVInfoBase):
                                            sizes={TVInfoImageSize.original: c.character.image['original'],
                                                   TVInfoImageSize.medium: c.character.image['medium']})]
                 ch.append(TVInfoCharacter(name=self._clean_character_name(c.character.name),
-                                          ti_show=ti_show, episode_count=1, plays_self=c.character.plays_self,
+                                          ti_show=ti_show, episode_count=1,
+                                          plays_self=enforce_type(c.character.plays_self, bool, False),
                                           voice=c.character.voice,
                                           image= c.character.image and c.character.image.get('original'),
                                           thumb_url= c.character.image and c.character.image.get('medium'),
@@ -537,7 +538,8 @@ class TvMaze(TVInfoBase):
                                                sizes={TVInfoImageSize.original: c.character.image['original'],
                                                       TVInfoImageSize.medium: c.character.image['medium']})]
                     ch.append(TVInfoCharacter(name=_clean_char_name, ti_show=ti_show, regular=regular, episode_count=1,
-                                              person=[_ti_person_obj], plays_self=c.character.plays_self,
+                                              person=[_ti_person_obj],
+                                              plays_self=enforce_type(c.character.plays_self, bool, False),
                                               voice=c.character.voice,
                                               image=c.character.image and c.character.image.get('original'),
                                               thumb_url=c.character.image and c.character.image.get('medium'),
@@ -631,7 +633,8 @@ class TvMaze(TVInfoBase):
                                     TVInfoCharacter(image=cur_ch.image and cur_ch.image.get('original'),
                                                     name=self._clean_character_name(cur_ch.name),
                                                     ids=TVInfoIDs({TVINFO_TVMAZE: cur_ch.id}),
-                                                    p_id=cur_ch.id, person=[person], plays_self=cur_ch.plays_self,
+                                                    p_id=cur_ch.id, person=[person],
+                                                    plays_self=enforce_type(cur_ch.plays_self, bool, False),
                                                     thumb_url=cur_ch.image and cur_ch.image.get('medium'),
                                                     ti_show=_s_o
                                                     ))