The Voice on the Wire

Ben F. Wilson

John Shirley

Neva Gerber

Polly Marion

Francis McDonald

'Red' Warren

Joseph W. Girard

Dr. Reynolds

Nigel De Brulier

Professor Duval

Howard Crampton

Captain Cronin

William Quinn

Emil LaRoux

Irene Hunt

Mrs. Reynolds

Ernest Shields

Howard Van Cleft

Hoot Gibson

Josephine Hill

Evelyn Selbie

Pale Ida

L.M. Wells

Professor Montague

William Canfield

William Grimsby

Frank MacQuarrie

Alvin Van Cleft

Frank Tokunaga

Lew Short

Short

Willard Wayne

Wayne

Charles Dorian

Dorian

Wadsworth Harris

James Walsh

Eustace Hale Ball

Novel

Stuart Paton

Director

J. Grubb Alexander

Scenario Writer