Full Credits
24 members

Dana Andrews
Igor Gouzenko

Gene Tierney
Anna Gouzenko

June Havoc
Nina Karanova

Berry Kroeger
John Grubb, aka 'Paul'

Edna Best
Mrs. Albert Foster

Stefan Schnabel
Col. Ilya Ranov

Nicholas Joy
Dr. Harold Preston Norman, aka 'Alec'

Eduard Franz
Maj. Semyon Kulin

Frederic Tozere
Col. Aleksandr Trigorin (as Frederic Tozère)

Christopher Olsen
Andrei Gouzenko

Noel Cravat
Anne Curson
Helena Dare

John Davidson
Michael Dugan

Reed Hadley
Narrator (voice)

Mauritz Hugo

John Ridgely
John Shay
Brick Sullivan

Ken Terrell
Joe Whitehead

Peter Whitney
Victor Wood
13 members
William A. Wellman
Director
Igor Gouzenko
Writer
Milton Krims
Screenplay
Sol C. Siegel
Producer
Charles G. Clarke
Director of Photography
Frank Serjack
Still Photographer
Lyle R. Wheeler
Art Direction
Mark-Lee Kirk
Art Direction
Thomas Little
Set Decoration
Bonnie Cashin
Costume Design
Ben Nye
Makeup Artist
Louis R. Loeffler
Editor
Darryl F. Zanuck
Presenter