Upon discovering that his sister has been driven to suicide by the betrayal of Enrico Colonna, young mountaineer Dabney Morgan swears to avenge her death.
William Russell
Dabney Morgan
Mary Thurman
Elenore Colonna
Harvey Clark
Long John Morgan
Fred Malatesta
Enrico Colonna
Pauline Curley
Cecelia May Morgan
Frank Brownlee
Fang Morgan
Frank Clark
Caleb Turner
Louis King
Jed Morgan
