C-Man (1949)

Director: Joseph Lerner
Actors: Dean Jagger, John Carradine, Harry Landers, Lottie Elwen, Rene Paul
Runtime: 77 min.

U.S. Customs Agent Cliff Holden is assigned to solve the murder of his boss and close friend. He sets out to find the jewel thieves responsible and break up their crime ring, arranging to be on the same transatlantic flight as the main suspect.

Trivia: John Carradine (Doc Spencer) was the father of actors David and Robert Carradine.