Estelle Brody
— Kitty Greenwood / Kitty St. George
John Stuart
— Alex St. George
Dorothy Cumming
— Mrs. St. George
Marie Ault
— Sarah Greenwood
Winter Hall
— John Furnival
Olaf Hytten
— Leaper
Charles Ashton
— Grimshaw
Charles O'Shaughnessy
— Reuben (sound version)
Charles Levey
— Reuben (silent version)
Elwood Fleet Bostwick
— Dr. Dazeley
Charles Courtneidge
— Dr. Drake (sound version)
Rex Maurice
— Dr. Drake (silent version)
Gibb McLaughlin
— The Electrician
Jerrold Robertshaw
— The Artist
Dino Galvani
— Alex's Ukulele Tutor