Secret Agent X-9
KILLERS BEWARE! Secret Agent X-9 is on the trail!
A secret agent goes after the gang that stole the crown jewels of a European monarchy.
- Year: 1937
- Country: United States of America
- Genre: Action
- Studio: Universal Pictures
- Keyword: movie serial
- Director: Clifford Smith, Ford Beebe
- Cast: Scott Kolk, Jean Rogers, Monte Blue, Henry Brandon, Lon Chaney Jr., David Oliver