Nicholas 'Nick' Carter, aka Robert Chalmers
Walter Pidgeon
Lou Farnsby
Rita Johnson
Bartholomew's Bee Asst.
Sterling Holloway
Cliff Parsons - Keller's Pilot & Asst.
Wally Maher
Harbor Patrol Sgt. Denny
Edgar Dearing
Factory Workman
Ernie Alexander
Yacht Captain
Louis V. Arco
Peake the Gardener
Frank Ball
Engel - X-49 Workman
Don Brodie
Ed - 1st Hurt Worker
Don Castle
Joe - Blueprint Security Officer
Eddy Chandler
Welder
Gene Coogan
John A. Keller
Henry Hull
Faber - Henchman
Paul Ellis
Seaman on Yacht
Bud Geary
Entrance Guard
Chuck Hamilton
Deputy
Edward Hearn
Student
Kenner G. Kemp
Exit Guard
William Lally
Sam Vaughn
Richard Lane
Minor Role
Carey Loftin
Police Detective Randall
Wilfred Lucas
Draughtsman
Joseph P. Mack
Doctor Frankton (as Stanley C. Ridges)
Stanley Ridges
Hartley
George Meeker
Streeter's Secretary
Roger Moore
Taxi Driver
William Newell
Gil Perkins
Riley - Airplane Workman
Lee Phelps
Police Captain
Lee Prather
Keller's Driver
Charles Sherlock
Police Driver
Harry Templeton
Cain - Henchman
Richard Terry
Robinson
Andrew Tombes
Bartholomew, the bee man
Donald Meek
Locker Room Attendant
Harry Tyler
Charles Flynn
Streeter - President of Radex
Addison Richards
Hammil - tall spy boss
Henry Victor
Krebs - 2d hurt worker
Milburn Stone
Otto - 3d hurt worker
Martin Kosleck
Pete Foley - 1st pilot
Frank Faylen
Stunts
Sound
Douglas Shearer
Director
Jacques Tourneur
Set Decoration
Edwin B. Willis
Art Direction
Cedric Gibbons
Story
Bertram Millhauser
Harold Buckley
Screenplay
Assistant Director
Sandy Roth
Original Music Composer
Daniele Amfitheatrof
Producer
Lucien Hubbard
Unit Manager
Jerry Bresler
Editor
Elmo Veron
Edward Ward
Director of Photography
Charles Lawton Jr.
Orchestrator
Leo Arnaud