Actors

Actor

Klaatu, alias Mr. Carpenter

Actor

Helen Benson

Actor

Bobby Benson

Actor

Prof. Jacob Barnhardt

Actor

Tom Stevens

Actor

Gort

Actor

General Cutler

Actor

Mrs. Crockett, landlady

Actor

Mr. Harley, Secretary to the President

Actor

Mrs. Barley, boarder

Actor

George Barley, boarder

Actor

Mr. Krull, boarder

Actor

Hilda, Barnhart's secretary

Actor

Elmer Davis

Actor

H. V. Kaltenborn

Actor

Drew Pearson

Actor

Gabriel Heatter (voice)

Actor

Lieutenant in Charge of Landing Site

Lighting

Army Dr. White

Actor

Balding Army Doctor