Full Credits
35 members

John Howard
Captain Hugh C. Drummond

Heather Angel
Phyllis Clavering

H.B. Warner
Colonel Nielsen

Reginald Denny
Algy Longworth

E. E. Clive
Tenny

Jean Fenwick
Lady Beryl Ledyard

Zeffie Tilbury
Aunt Meg

George Zucco
Rolf Alferson

Leonard Mudie
Richard Gannett
Evan Thomas
Smith

Clyde Cook
Constable Sacker

David Clyde
Constable McThane

George Regas
Soongh
Neil Fitzgerald
Sir Malcolm McLeonard

Claud Allister
Sir Basil Leghorne

Ferdinand Munier
Old Major Trumleigh

John Sutton
Inspector Tredennis

John Davidson
Gumba, Bird Seller
John Rogers
Guggins, Scrawny Henchman

Jimmy Aubrey
Steward

Frank Baker
Cop

Billy Bevan
Aquarium Guard

Forrester Harvey
Constable at Gannett House

Eugene Jackson
Hotel Page Boy

Ruth Rogers
Maid
Harold Garrison
Native Boy with Message

Frank Lackteen
Native Selling Rifle

Steve Clemente
Native Buying Rifle
Kathryn Bates
Tourist
Neil Craig
Tourist

Grace Hayle
Tourist

Gerald Rogers
Island Police Desk Sergeant

Olaf Hytten
Island Police Arresting Sergeant
Sam Savitsky
Foreign Agent
Hercules Mendez
Foreign Agent
15 members
James P. Hogan
Director
Harry Scott
Assistant Director
Stuart Palmer
Screenplay
Herman C. McNeile
Novel
William LeBaron
Executive Producer
Stuart Walker
Producer
Ted Tetzlaff
Director of Photography
Hugo Grenzbach
Sound Recordist
Boris Morros
Music Director
Gerard Carbonara
Original Music Composer
Richard Olson
Sound Recordist
Franz Bachelin
Art Direction
Hans Dreier
Art Direction
A. E. Freudeman
Set Decoration
Stuart Gilmore
Editor