The Fighting Devil Dogs

Lee Powell

Lieutenant Tom Grayson

Bruce Bennett

Lieutenant Frank Corby

Eleanor Stewart

Janet Warfield

Montagu Love

General White

Hugh Sothern

Ben Warfield

Sam Flint

Colonel Grayson

?

Perry Ivins

Crenshaw

Forrest Taylor

Benson

John Picorri

Professor Gould

Carleton Young

Johnson, 'Aurora' Crewman

John Davidson

Lin Wing

?

Henry Otho

Sam Hedges, the Gardener

Reed Howes

Parker--Sub Crewman

Tom London

Henchman Wilson

Edmund Cobb

Henchman Ellis