Cast
Howard Hickman
G-Man
Margaret Dumont
Mrs. Hendricks (uncredited)
Guy Usher
Ship's Captain (uncredited)
Lee Kohlmar
Tailor (uncredited)
Binnie Barnes
Olivia Karloff
Sidney Bracey
Jackson's Assistant (uncredited)
Mickey Rooney
Country Boy (uncredited)
Morgan Wallace
Gardner (uncredited)
Larry Steers
Partitioner (uncredited)
John Harmon
Telegrapher (uncredited)
Murray Kinnell
de Segroff
James Flavin
2st Military Policeman (uncredited)
William V. Mong
Hotel Desk Clerk (uncredited)
Sam Ash
Mexican (uncredited)
William Powell
Lt. William 'Bill' Gordon / Anson Meridan
Frank Lackteen
Customs Officer in Mexico (uncredited)
Leonid Snegoff
Kaieneff (uncredited)
Harry C. Bradley
Cashier (uncredited)
Hans Fuerberg
German Torpedo Man (uncredited)
Hedwiga Reicher
De Segroff's Associate (uncredited)
Rudolph Anders
Radio Operator (uncredited)
David Burns
German-Speaking Bellhop (uncredited)
Charles Coleman
Café Doorman (uncredited)
Cyril Ring
Orderly (uncredited)
Michael Vallon
Orderly (uncredited)
Max Barwyn
Boris Stronskoff - Russian Singer (uncredited)
Rosalind Russell
Joel Carter
Edgar Dearing
1st Military Policeman (uncredited)
Bert Moorhouse
2nd Lieutenant (uncredited)
Johnny Arthur
Code Room Clerk (uncredited)
Sterling Holloway
Taxi Driver (uncredited)
Charley Grapewin
Prof. Martin
Leonard Mudie
Roberts
Bernadene Hayes
Bobbie Burns (uncredited)
Al Bridge
Sergeant (uncredited)
Lionel Atwill
Maj. William Brennan
Samuel S. Hinds
John Carter, Assistant Secretary of War
Sid Silvers
Recruiter (uncredited)
Lynton Brent
Decoder (uncredited)
Edward Earle
Man in Code Room (uncredited)
Charles Trowbridge
Secretary of War Baker
James P. Burtis
Private (uncredited)
Melville Cooper
Doorman (uncredited)
Henry Stephenson
Russian Ambassador Gregory
Mary Forbes
Lady Cavendish (uncredited)
Winter Hall
Chaplain (uncredited)
Belle Mitchell
Mexican (uncredited)
Cesar Romero
Capt. Nicholas 'Nikki' Nieterstein
Frank Reicher
Dr. R.A. Jackson
Milburn Stone
Carter's Aide (uncredited)
Theodore von Eltz
Desk Clerk Assistant (uncredited)
William Newell
Carter's Receptionist (uncredited)
Gino Corrado
Code Room Clerk (uncredited)
Tom Dugan
Agent Patrick O'Reilly (uncredited)
Frank O'Connor
Officer (uncredited)