"Young intern Jeff Burton, impulsively offers a lift to an odd-looking gentlemen. It soon turns out that Jeff's passenger is an inventor has just escaped from a shady sanitarium, where he has been held prisoner by Nazi spies."
Richard Carlson
as Dr. Geoffrey Burton
Nancy Kelly
as Pat Lindsay
Albert Bassermann
as Dr. Storm
Miles Mander
as Professor Langer
Edward Gargan
as Officer Charlie Prescott
Adrian Morris
as Officer John Prescott
Martin Kosleck
as George Taylor
Walter Kingsford
as Heydt
Cy Kendall
as Dahlig
Nestor Paiva
as Grube
Oscar O'Shea
as Pa Prescott
Mary Gordon
as Ma Prescott
Arthur Loft
as Inspector Karns
Marion Martin
as Nurse
Clem Bevans
as Station Watchman
John Butler
as Detective Jenks
John Dilson
as Police Dr. Tracy
Kate MacKenna
as Cook at Gas Station
Gladys Blake
as Sales Clerk (Uncredited)
Nell Craig
Milton Kibbee
as Hotel Desk Clerk (Uncredited)
Eddie Acuff
as Garage Attendantt (Uncredited)
Stanley Blystone
as Policeman (Uncredited)
Wade Boteler
as O'Brien (Uncredited)
Eddie Dunn
as Police Sergeant (Uncredited)
Pat Flaherty
as Taxi Driver at Station (Uncredited)
J. Anthony Hughes
as Policeman at Garage (Uncredited)
Si Jenks
as Gateman at Sanitarium (Uncredited)
Paul McVey
as Cop on Small Town Street (Uncredited)
Ella Neal
as Telephone Operator (Uncredited)
Dick Rich
as Guard (Uncredited)
Harry Tenbrook
as Truck Driver (Uncredited)
William Wright
as Intern (Uncredited)
Robert Siodmak
Director
Jay Dratler
Writer
F. Hugh Herbert
Sol C. Siegel
Producer
John F. Seitz
Director of Photography
Arthur P. Schmidt
Editor
Sidney Sheldon
Story
Ben Roberts
Colbert Clark
Associate Producer
Haldane Douglas
Art Direction
Hans Dreier
Gene Merritt
Sound Recordist
John Cope
Gerard Carbonara
Original Music Composer
John Leipold
Ernst Toch