Agnes Ayres
Mary Walsworth
Acting
Antonio Moreno
Alan Holt
Acting
Tyrone Power Sr.
Drakma (as Tyrone Power)
Acting
Louis Wolheim
Kurder
Acting
Dagmar Godowsky
Claire
Acting
Jack Lionel Bohn
Don Powell
Acting
Maurice Costello
The Cripple
Acting
Frank Currier
Adm. Walsworth
Acting
Ivan Linow
Lab assistant
Acting