The Invisible Menace

Boris Karloff

Jevries

Marie Wilson

Sally

Eddie Craven

Eddie Pratt

Regis Toomey

Lt. Matthews

Henry Kolker

Col. Hackett

Cy Kendall

Colonel Rogers

Charles Trowbridge

Dr. Brooks

Eddie Acuff

Corporal Sanger

Frank Faylen

Private of the Guard

Phyllis Barry

Aline Dolman

Harland Tucker

Reilly

William Haade

Pvt. Ferris

Jack Mower

Sgt. Peterson

Anderson Lawler

Pvt. Abbott

John Harron

Pvt. Murphy

Sol Gorss

Guard

Jesse Graves

Servant

Edward Keane

Officer at Dolman's Hearing

Carole Landis

Woman Wanting to Go with Her Johnnie

Henry Otho

Boat Loading Announcer

Willard Parker

Pvt. Booker

John J. Richardson

Pvt. Nelson - Hackett's Orderly

Jack Shea

Tough Soldier

Brick Sullivan

Guard Outside Tent

Emmett Vogan

Investigator in Haiti

John Farrow

Director