Cast
Frank Buck
Frank Hardy
Clarence Muse
Lightning
Richard Tucker
Robert Banning
Jim Corey
Henchman
Harry 'Snub' Pollard
Campbell
Robert Warwick
Angus MacLeod
Reginald Denny
Ralph Marshall
Charlotte Henry
Dorothy Elliott
William Bakewell
Tom Banning
Willie Fung
Chiang-Houseboy
Matthew Betz
Inspector Starrett
Fred Kohler Jr.
John Charles
LeRoy Mason
Jim Murphy
John St. Polis
Chandler Elliott
Milburn Morante
Singapore Joe
Paul Ellis
Greenway
Roger Williams
Henchman
Esther Ralston
Valerie Shields
John Davidson
Doctor Coleman
Gertrude Sutton
Mrs. Maitland
Sherwood Bailey
Paul Marshall
Duncan Renaldo
Armand Roget
Blackie Whiteford
Henchman
Sasha Siemel
Tiger Van Dorn
Harry Harvey
Roget Clerk #1
Jack Ingram
Undercover Detective at Dive
Tom London
Detective Interrogating Pete