"A code expert working for Naval Intelligence is assigned to decode enemy messages despite his desire for active duty."
Lee Bowman
as Lt. Bill Gordon
Jean Rogers
as Elaine Carter
Mona Maris
as Olivia Kerlov
Carl Esmond
as Andre Leemuth
Paul Cavanagh
as Cmdr. Charles Brennan
Grace Lem
as Japanese Woman
Russell Hicks
as John Carter
Blanche Yurka
as Mrs. Savarina
Arthur Shields
as Prof. Harvey Lessmore
Addison Richards
as Gordon Trisby
Milburn Stone
as Hotel Desk Clerk
Hans Conried
Byron Foulger
as Decoder
William Post Jr.
as Lanny
William Tannen
as Jasper Dean
Frederick Worlock
as Dr. Jackwin
Curt Bois
as Kestrin
Felix Basch
as de Segroff
Edward Fielding
as Secretary of the Navy
George Sidney
Director
P.J. Wolfson
Screenplay
George Oppenheimer
Harry Kurnitz
Paul Vogel
Director of Photography
Robert Kalloch
Costume Design
B.F. Zeidman
Producer
Editor
Associate Producer
Cedric Gibbons
Art Direction
Ben Lewis