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