Hopalong Cassidy
William Boyd
California Carlson
Andy Clyde
Blackie
William 'Wee Willie' Davis
Colonel Jed Landy
Forbes Murray
Lieutenant
Glen Gallagher
Sergeant
Ben Corbett
Lucky Jenkins
Rand Brooks
Professor Dixon
Robert Emmett Keane
Jessie Dixon
Jane Randolph
Speed
Fred 'Snowflake' Toones
Bruce Landy
Steve Barclay
Duke
Harry Cording
Sandler
Earle Hodgins
Barton
Robert Bentley
Director
George Archainbaud
Producer
Lewis J. Rachmil
Art Direction
Harvey T. Gillett
George Mitchell
Sound
Harry Lindgren
Cinematography
Mack Stengler
Editor
Fred W. Berger
Music
David Chudnow
Screenplay
Doris Schroeder
Characters
Clarence E. Mulford