Credits
Cast
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)
Art
Liell K. Vedder
Art Direction
Camera
Walter Lundin
Director of Photography
Henry N. Kohler
Director of Photography
Directing
Gaylord Lloyd
Assistant Director
Malcolm St. Clair
Director
Clyde Bruckman
Director, Story
Editing
Carl Himm
Editor
Bernard W. Burton
Editor
Production
James H. Anderson
Production Assistant
John L. Murphy
Production Manager
Sound
C. Bakaleinikoff
Music Arranger
Lodge Cunningham
Sound
George D. Ellis
Sound
Writing
Paul Gerard Smith
Dialogue
Felix Adler
Story
Harold Lloyd
Writer, Producer