Henry Hull
Dr. Wilfred Glendon
Warner Oland
Dr. Yogami
Valerie Hobson
Lisa Glendon
Lester Matthews
Paul Ames
Lawrence Grant
Sir Thomas Forsythe
Spring Byington
Ettie Coombes
Clark Williams
Hugh Renwick
J.M. Kerrigan
Hawkins
Charlotte Granville
Lady Forsythe
Ethel Griffies
Mrs. Whack
Zeffie Tilbury
Mrs. Moncaster
Jeanne Bartlett
Daisy
Reginald Barlow
Timothy the Falden Caretaker (uncredited)
Egon Brecher
Priest (uncredited)
Herbert Evans
Detective Evans (uncredited)
Connie Leon
Yogami's Housekeeper Millie (uncredited)
Amber Norman
Girl in Goose Lane (uncredited)
Tempe Pigott
Drunk Woman (uncredited)
Harry Stubbs
Officer Jenkins (uncredited)
Eole Galli
The Prima Donna
Wong Chung
J. Gunnis Davis
Dick Gordon
Party Guest (uncredited)
Helena Grant
Boyd Irwin
Noel Kennedy
George Kirby
Maude Leslie
James May
William Millman
Edmund Mortimer
Joseph North
David Thursby
Louis Vincenot
Beal Wong
John Colton
Screenplay
Stuart Walker
Director
Robert Harris
Associate Producer
Robert Harris
Story
Stanley Bergerman
Executive Producer
Charles J. Stumar
Director of Photography
Jack Pierce
Makeup Artist
Russell F. Schoengarth
Editor
Karl Hajos
Original Music Composer
Albert S. D'Agostino
Art Direction
Edmund Pearson
Writer
Harvey Gates
Adaptation
Frank Artman
Boom Operator
Heinz Roemheld
Music
Clifford Vaughan
Orchestrator
Phil Karlson
Assistant Director
Maurice Pivar
Supervising Editor
Archie Hall
Technical Supervisor
John P. Fulton
Special Effects
Maury Gertsman
Camera Operator
Abe Meyer
Music Coordinator
Gilbert Kurland
Music Supervisor
David S. Horsley
Special Effects Assistant
E. Brown
Grip
George DeNormand
Stunt Double
A. Buckley
Grip
Mary Dolor
Hair Setup
Jean Raymond
Script Researcher
Bob Richards
Sound Mixer
Eddie Parker
Stunt Double
Charles S. Gould
Assistant Director
Armand Triller
Makeup Artist
Donald Cunliffe
Sound Recordist
Harvey Parry
Stunt Double
Gilbert Kurland
Sound Supervisor
John J. Martin
Assistant Camera
Karl Hajos
Conductor
Lester Kahn
Grip
Billy Moritz
Production Secretary
Muriel Yoemans
Production Secretary
Milton Carruth
Editor
Irving Smith
Lighting Technician
Mary West
Child Wrangler
Robert Laszlo
Property Master