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