Peter Graves

Agent / Tom Kaylor

Mala Powers

Valerie 'Val' Owens

Chuck Connors

Mink Reynolds

Merry Anders

Amy 'Miss Diesel of 1958' Phillips

Roy Engel

Wally Morse

Robert B. Williams

'Dunc' Clayton

Harry Lauter

Steve Hummel / Mr. Brown

Pete Kooy

Payson

Robert Christopher

Lennie Owens

Gordon Armitage

Benjie Bancroft

Claire Carleton

Mabel (uncredited)

Bud Cokes

Roy Damron

Club Patron (uncredited)

John Dierkes

George Ford

Diner Patron (uncredited)

Larry Mancine

Kathy Marlowe

Thomas Martin

Paul Maxwell

Doctor (uncredited)

John Mitchum

Handler (uncredited)

Charles Postal

Gloria Rhoads

Robert Shayne

Frank Ainsley (uncredited)

Fred Sherman

Howard (uncredited)