Kenneth Harlan
Dr. Wilmot Allen

Claire Adams
Barbara Ferris
Montgomery Carlyle
A Crook (uncredited)

Michael Dark
Man (uncredited)

Cesare Gravina
Art Teacher (uncredited)

Lee Phelps
Policeman (uncredited)

Madlaine Traverse
Woman (uncredited)
Edouard Trebaol
Bubbles (uncredited)

Clarence Wilson
A Crook (uncredited)