
Roy Martin aka Roy Morgan is a burglar and former war-time Radio & Electronics Engineer who listens in to radio police calls, allowing him to stay one step ahead of the cops.
James Cardwell
Police Sgt. Chuck Jones

Jack Webb
Lee Whitey

Reed Hadley
Narrator (voice) (uncredited)

Frank Cady
Pete Hammond

Dorothy Adams
Milk Customer

Jane Adams
Nurse Scanion (uncredited)