Felix E. Feist
Director
Curt Siodmak
Novel
Hugh Brooke
Adaptation
Herbert L. Strock
Editor
Felix E. Feist
Screenplay
Tom Gries
Producer
Eddie Dunstedter
Original Music Composer
Joseph F. Biroc
Director of Photography
Ruby Felker
Hairstylist
Herbert L. Strock
Production Assistant
Eddie Dunstedter
Conductor
Jack R. Berne
Assistant Director
Chuck Keehne
Wardrobe Master
Boris Leven
Production Design
Edward G. Boyle
Set Decoration
Earl Snyder
Sound Mixer
Harry Redmond Jr.
Special Effects
Terry Miles
Makeup Artist
Mary Chaffee
Script Supervisor
Ben Chapman
Production Supervisor
Bill Naylor
Sound Effects Editor
Lew Ayres
Dr. Patrick J. Cory
Nancy Reagan
Janice Cory
Gene Evans
Dr. Frank Schratt
Steve Brodie
Herbie Yocum
Tom Powers
Donovan's Washington Advisor
Lisa Howard
Chloe Donovan
James Anderson
Chief Tuttle
Victor Sutherland
Nathaniel Fuller
Michael Colgan
Tom Donovan
Peter Adams
Mr. Webster
Harlan Warde
Treasury Agent Brooke
Shimen Ruskin
Tailor
John Hamilton
Mr. McNish (uncredited)
Don Brodie
Detective Who Follows Dr. Cory from Hotel (uncredited)
Stapleton Kent
W. J. Higgins (uncredited)
Frank McLure
Man leaving Fuller's Office (uncredited)
William Cottrell
Dr. Crane (uncredited)
Max Wagner
Station Agent (uncredited)
Sam Harris
Man leaving Fuller's Office (uncredited)
Paul Hoffmann
Mark Lowell
Walter Merrill
Charles Sullivan
Katherine Yorke
