Cipher Bureau

Leon Ames

Maj. Philip Waring

Charlotte Wynters

Helen Lane

Joan Woodbury

Therese Brahm

Don Dillaway

Paul Waring

Gustav von Seyffertitz

Albert Grood

Tenen Holtz

Simon Herrick

Walter Bonn

Anton Decker

Si Wills

Lt. Clarke

George Lynn

Lt. Tydall (as Peter Lynn)

Jason Robards Sr.

Ellsworth

Sidney Miller

Jimmy

Hooper Atchley

Cmdr. Nash

Robert Frazer

Paul's Counsel

Billy Atkins

Bobby Barber

Stanley Blystone

Army Lieutenant

John Bohn

Thomas Carr

Rollo Dix

Bud Geary

Charles Lamont

Director, Associate Producer

Arthur Hoerl

Story, Writer

Ralph Berger

Art Direction

Arthur Martinelli

Cinematography

Bernard Loftus

Editor

Franklyn Warner

Producer

Monroe Shaff

Story

W.H. McCrary

Costume Design

Clem Jones

Second Assistant Director

Bert Eason

Assistant Camera