Elenco

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)
Equipe

Paul Gerard Smith
Dialogue

Felix Adler
Story

Clyde Bruckman
Director

Malcolm St. Clair
Director

John L. Murphy
Production Manager

Bernard W. Burton
Editor

Clyde Bruckman
Story

Harold Lloyd
Producer

Liell K. Vedder
Art Direction

James H. Anderson
Production Assistant

Gaylord Lloyd
Assistant Director

C. Bakaleinikoff
Music Arranger

Carl Himm
Editor

Lodge Cunningham
Sound

Harold Lloyd
Writer

George D. Ellis
Sound

Henry N. Kohler
Director of Photography

Walter Lundin
Director of Photography