"A rookie cop tries to prove his friend is innocent of a robbery, despite the police commissioner's objection to his use of a trained German Shepherd dog named Ace."
Tim Holt
as Clem Maitland
Virginia Weidler
as Nicey
Janet Shaw
as Gerry Lane
Frank M. Thomas
as Police Chief Gordon H. Lane
Robert Emmett Keane
as Commissioner Hugh Thomas
Monte Montague
as Tom Hadley / Monte, a Henchman
Don Brodie
as Frank 'Frankie' Dixon
Ralf Harolde
as Joey Anderman, Roadhouse Owner
Muriel Evans
as Fern, Joey's Girl
Ace the Wonder Dog
as Ace
David Howard
Director
Harry J. Wild
Director of Photography
Morton Grant
Screenplay
Jo Pagano
Earl Johnson
Story
Bert Gilroy
Producer
Van Nest Polglase
Art Direction
Frederic Knudtson
Editor
Lee S. Marcus
Production Executive
Roy Webb
Music Director
Guy K. Austin
Perry Ferguson
Assistant Art Director
John C. Grubb
Sound Recordist
Renié
Wardrobe Designer