Harold Lloyd

• Harold Bledsoe

Barbara Kent

• Billie Lee

Noah Young

• Patrick Clancy SFPD

Charles Middleton

• John Thorne / The Dragon

Will Walling

• Captain Walton, SFPD 3rd Div.

Grady Sutton

• Man at Party (silent version) (scenes deleted)

Brooks Benedict

• Handcuffed Prisoner at Police Station (uncredited)

Eddy Chandler

• Cop (uncredited)

Rae Daggett

• Woman Sitting in Police Station (uncredited)

Douglas Haig

• Buddy Lee (uncredited)

Edgar Kennedy

• SFPD Desk Sergeant (uncredited)

Tetsu Komai

• Florist Henchman (uncredited)

James B. Leong

• Florist Henchman / High Priest (uncredited)

James Pier Mason

• Barry Steele / Dick the Dude (uncredited)

Nelson McDowell

• 1st Train Passenger (uncredited)

James Wang

• Dr. Chang Gow (uncredited)

Blue Washington

• Thorne's Henchman (uncredited)

Leo Willis

• Cop (uncredited)

Felix Adler

Malcolm St. Clair

Clyde Bruckman

Paul Gerard Smith

Gaylord Lloyd

Clyde Bruckman

Liell K. Vedder

George D. Ellis

James H. Anderson

Harold Lloyd

Carl Himm

John L. Murphy

C. Bakaleinikoff

Harold Lloyd

Lodge Cunningham

Bernard W. Burton

Henry N. Kohler

Walter Lundin