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