Frank MacQuarrie

饰：Alvin Van Cleft

Ben F. Wilson

饰：John Shirley

弗朗西斯·麦克唐纳

Francis McDonald

饰：`Red` Warren

Joseph W. Girard

饰：Dr. Reynolds

奈杰尔·德

Nigel De Brulier

饰：Professor Duval

Howard Crampton

饰：Captain Cronin

William Quinn

饰：Emil LaRoux

Irene Hunt

饰：Mrs. Reynolds

Ernest Shields

饰：Howard Van Cleft

Frank Tokunaga

胡特·吉布森

Hoot Gibson

饰：(as Edward Gibson)

L.M. Wells

饰：Professor Montague

Josephine Hill

Neva Gerber

饰：Polly Marion

Kingsley Benedict

Lew Short

饰：Short,(as Lou Short)

查尔斯·多利安

Charles Dorian

饰：Dorian

Evelyn Selbie

饰：Pale Ida

Willard Wayne

饰：Wayne

Wadsworth Harris

饰：James Walsh