Barry Nelson

as Dr. Vernon Rathmore

as Eugene McClenden

as William B. Knox

as Ullman

as Dr. McNeal

as Bogan

as Dr. Jeffries

as Arthur Elrod

as Mac O'Brian

as Bob Bailey

as Hugo Fane

as Lt. Frank Bryant

as Burt Wilson

as Jim

as John Andrews

as Anson Harris

as Dr. Shelby

as Alex Swain

as Frank Sandler

as Hal Carter

as Cary Lesco

as Bob McKellaway

as Don Emerson

as Clay Keifer

as Himself

as Colin

as Dr. James Parkerson

as Matt Hunter

as Bob Frazier

as Charles Masters

as Bill Morgan

as Self - Nominee

as Raymond Houston

as Jimmy Bond

as Jimmy Bond

as Bart Adams

as Charles 'Chick' Graham / Albert 'Bert' Rand

as Self

as Turk Wilson

as Al Parker

as Lieutenant Paul Scott

as Charles Vurn

as Harry O'Brien

as Bobby Crills

as Dick Rumney

as F.X. Matowski

as Fat

as Mr. Busch

as Danny O'Brien

as Harry Gantley

as FBI Agent Freed

as Samuel Z. Cutter

as Joe Tracey

as Lew Rankin

as Paul Clarke

as Garage mechanic (uncredited)

as Jonathan Banner