Owen Moore
— The Man
Marion Leonard
— The Man's Fiancee
Arthur V. Johnson
— The Criminal Hypnotist
David Miles
— The Robbery Victim / Party Guest
Charles Inslee
— The Professor / Party Guest
George Gebhardt
— The Professor's Assistant / A Policeman / Party Guest
Harry Solter
— The Doctor
Florence Lawrence
— The Maid
Linda Arvidson
— Party Guest
Anita Hendrie
— Party Guest
Jeanie Macpherson
— Party Guest
Tom Moore
— Party Guest (unconfirmed)
Barry O'Moore
— Party Guest
Mack Sennett
— Party Guest