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