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