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