cast
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Harold Lloyd
Harold Bledsoe
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Barbara Kent
Billie Lee
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Noah Young
Patrick Clancy SFPD
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Charles Middleton
John Thorne / The Dragon
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Will Walling
Captain Walton, SFPD 3rd Div.
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Grady Sutton
Man at Party (silent version) (scenes deleted)
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Brooks Benedict
Handcuffed Prisoner at Police Station (uncredited)
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Eddy Chandler
Cop (uncredited)
- Rae Daggett Woman Sitting in Police Station (uncredited)
- Douglas Haig Buddy Lee (uncredited)
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Edgar Kennedy
SFPD Desk Sergeant (uncredited)
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Tetsu Komai
Florist Henchman (uncredited)
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James B. Leong
Florist Henchman / High Priest (uncredited)
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James Pier Mason
Barry Steele / Dick the Dude (uncredited)
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Nelson McDowell
1st Train Passenger (uncredited)
- James Wang Dr. Chang Gow (uncredited)
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Blue Washington
Thorne's Henchman (uncredited)
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Leo Willis
Cop (uncredited)