Harold Bledsoe

Harold Lloyd

Billie Lee

Barbara Kent

Off. Patrick Clancy

Noah Young

Buddy Lee (uncredited)

Douglas Haig

John Thorne / The Dragon

Charles Middleton

The Dragon

Charles B. Middleton

Capt. Walton

William Walling

Dr. Chang Gow (uncredited)

James Wang

Man at Party (silent version) (scenes deleted)

Grady Sutton

SFPD Desk Sergeant (uncredited)

Edgar Kennedy

Handcuffed Prisoner at Police Station (uncredited)

Brooks Benedict

Cop (uncredited)

Eddy Chandler

Chief Jim Bledsoe

E.H. Calvert

Woman Sitting in Police Station (uncredited)

Rae Daggett

Florist Henchman (uncredited)

Tetsu Komai

Chinaman

Wang Lee

Florist Henchman / High Priest (uncredited)

James B. Leong

Dick the Dude

Jim Mason

Barry Steele / Dick the Dude (uncredited)

James Pier Mason

1st Train Passenger (uncredited)

Nelson McDowell

Thorne's Henchman (uncredited)

Blue Washington

Cop (uncredited)

Leo Willis

Dead Chinaman

Soo Hoo Sun