"Sensational Expose !!! See a Ruthless Arson Ring at work !! Based on Arson Bureau Files."
A Los Angeles fire captain (Roy Roberts) sends an arson-squad rookie (George Cooper) undercover.
George Cooper
Russ Haines
Roy Roberts
Capt. S. Taplinger
Billy Wayne
Sgt. 'Berk' Berkeley
Peter Brocco
E. V. Wessman
David Bauer
Tony Polacheck
Paul Marion
Sam Polacheck
Ransom M. Sherman
Oscar Hollingsworth
Cliff Clark
Fire Engineer Robby Rollins
Celia Lovsky
Bertha Polacheck
Jimmie Dodd
Kenneth Bender
