The Perfect Sap
Plot: Wealthy young Herbert Alden, a would-be detective, is practicing housebreaking with his valet, an ex-convict, when he meets George and Polly, two real thieves; they are discovered and, following a chase, they go to Herbert's city apartment. George arranges with one of them, Tony-the-Lizard, to rob the guests at a ball given by Herbert's father at his country home

Ben Lyon
Virginia Lee Corbin
Lloyd Whitlock
Diana Kane
Byron Douglas
Christine Compton
Sam Hardy
Tammany Young
Helen Rowland
Pauline Starke
Howard Higgin