Lloyd Bridges

George Browning

Lorna Gray

Betty, alias Hannah Kelly (as Adrian Booth)

Ray Collins

Arthur Burdett, alias Philip J. Fogarty

Sheila Ryan

Edie Hanson

Chick Chandler

Joe Bottomley (as Fletcher Chandler)

Jeff Corey

Beecham

Alan Carney

Evans

Emory Parnell

Arnie Anderson

Don Beddoe

Dr. Hamilton Gibbs

Nana Bryant

Sybil Elwood Kaymeer