Edmund Lowe
— Stanley Gordon
Leila Hyams
— Anne Webster
Gustav von Seyffertitz
— Prof. Paul Coriolos
E.H. Calvert
— Edwin Palmer
Barry Norton
— Reginald Van Lear
Oscar Smith
— Sam
Perlie Marshall
— Detective Murphy
Norman Trevor
— Judge Webster
George Kotsonaros
— The Gorilla
Maude Turner Gordon
— Mrs. Van Lear