The Adventures of Smilin' Jack (1943)

A movie serial in 12 chapters: The famous comic strip character is on a mission to protect a secret tunnel passage between China and India.

Directed by: Ray Taylor, Lewis D. Collins

Starring: Tom Brown, Marjorie Lord, Rose Hobart, Keye Luke, Edgar Barrier, Cyril Delevanti

Links: IMDb, Movie posters, Movie stills