Peter Lorre

Character: Colonel Gimpy

Brian Donlevy

Character: Ace Martin

Helen Wood

Character: Ruth Franklin

Ralph Morgan

Character: John R. Flemyng

Thomas Beck

Character: Joe Randall

Kay Linaker

Character: Mrs. Fleming

Lester Matthews

Character: Sidney Grant

Earle Foxe

Character: Operative #30

J. Carrol Naish

Character: Operative #77

Gloria Roy

Character: Operative #16

Oscar Apfel

Character: Alfred Knuxton

Paul Stanton

Character: Daniel D. Harrington

Howard Hickman

Character: Major White

Lynn Bari

Character: Office Worker (uncredited)

Madge Bellamy

Character: Secretary (uncredited)

William Benedict

Character: Bunky, Office Boy (uncredited)