Full Credits
18 members

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