Harlan Warde

Las Vegas Police Lieutenant

Evan Grange

Paul Williams

Brig. Gen. Leonard T. Gerow (uncredited)

Ed Peterson

Capt. Henry Mack

Capt. Tom Janes

Finletter

Judd Fletcher

Drake

Peter Doolin

Mr. Carberry

Jack Carpenter

Will Oakley

Judge Lansbury

Judge Farnum

Mr. Bickers

Arthur Kleeber

Commissioner

Dr. Partridge

Warden

Doctor

Dr. Keller

Nicholas Burns

Mr. Anderson (uncredited)

Detective Wallace

Anderson

Lt. Mitchell

Colonel

Claude Deus

Hotel Owner

Jerome Von

Simon Winkler

Mr. Williams

Hal Mosby

Sims

Commander Phillips

John Hamilton

Ed Shaw

Harold Hanley

Police Sgt. Kenton

Alan Connors

Desk Sergeant

Sgt. Roddin

Dr. Haines

Dan Colt

Marty Pryor

Wally

Consul (uncredited)

Boedecker (uncredited)

Lt. Robert 'Clem' Clemens

Fred Lang

Police Detective

Reporter (uncredited)

Dr. Ashton (uncredited)

Police Radio Dispatcher (archive footage) (uncredited)

Young Man (uncredited)

Police Operator 27 (uncredited)