Victor McLaglen

Jeems O'Shea

Edmond O'Brien

J. Quincy 'Penji' Pennant

June Havoc

Dolly Smythe

Dorothy Lovett

Sally Dean

Eddie Foy Jr.

Mr. Billy Meeker

Damian O'Flynn

Oliver Lindsay

Marten Lamont

Chick Parker

Roy Gordon

Dr. Wayne

Mary Gordon

Mrs. Douglas

Frances E. Neal

Carol

Julie Warren

Betty

George Cleveland

Gus the Janitor

John McGuire

Harvey Dodge

Murray Alper

Joe the Cab Driver (uncredited)

Walter Baldwin

Jerry the Nitrate Technician (uncredited)

Stanley Blystone

Security Guard Shooting Gun (uncredited)

Bobby Barber

Waiter (uncredited)

Frank McLure

Sarcastic Test Observer (uncredited)

Frank Mills

Beer Drinker at Bar (uncredited)

Netta Packer

Mr. Tuttle's Secretary (uncredited)

Charles Schaeffer

Charlie the Bartender (uncredited)

Carl Sklover

Man at Dice Table (uncredited)

Tom Steele

Truck Driver / Henchman (uncredited)

Sammy Stein

Henchman (uncredited)