Dr. Zarkov
Dr. Hans Zarkov (archive footage)
Dr. Zarkov
Train Station Gateman (Uncredited)
Prof. Davidson (uncredited)
Professor Davidson
Dr. Hayden
Police Commissioner
Senator (uncredited)
McDowell
Hammond
Mr. O'Malley - Captain of the Nova Scotian (uncredited)
Second Man with California Gold News
Sweeney
Construction Supervisor at Elevator
Frank, the Bartender (uncredited)
Kelsey (Uncredited)
Inspector McTavish
Captain McTavish
Old Man (uncredited)
Police Capt. McTavish
Police Lieutenant (uncredited)
Police Captain McTavish (uncredited)
Dr. Alexis Zarkov
Mac (uncredited)
Captain McTavish
Duke Slattery - Policeman with Warrant
Dr. Zarkov
Dr. Alexis Zarkov
Dr. Hans Zarkov
Minor Role (uncredited)
Capt. McTavish
Police Sergeant at Jail (Uncredited)
Captain McTavish
Desk Sergeant (uncredited)
Sheriff Anderson
Captain Stafford
Dr. Hans Zarkov
Chaplain (uncredited)
Detective Hewitt (uncredited)
Dan O'Reilly
Police Sergeant
Mr. Farley
Agent Joe
Police Chief at Lodge (uncredited)
Prison Warden
The Burglar, Holtz aka Jack Dunning
Judge Bradford
Sir John Mansfield
Terrence O'Malley
Phil Rourke
Detchard