Reparto
Charles Middleton
John Thorne / The Dragon
Grady Sutton
Man at Party (silent version) (scenes deleted)
Edgar Kennedy
SFPD Desk Sergeant (uncredited)
Noah Young
Patrick Clancy SFPD
James B. Leong
Florist Henchman / High Priest (uncredited)
James Pier Mason
Barry Steele / Dick the Dude (uncredited)
Blue Washington
Thorne's Henchman (uncredited)
Harold Lloyd
Harold Bledsoe
Will Walling
Captain Walton, SFPD 3rd Div.
Brooks Benedict
Handcuffed Prisoner at Police Station (uncredited)
Tetsu Komai
Florist Henchman (uncredited)
Nelson McDowell
1st Train Passenger (uncredited)
Leo Willis
Cop (uncredited)
Barbara Kent
Billie Lee
Eddy Chandler
Cop (uncredited)