Klaatu, alias Mr...

Helen Benson

Bobby Benson

Prof. Jacob Barnh..

Tom Stevens

Gort

General Cutler

Mrs. Crockett, la..

Mr. Harley, Secre..

Mrs. Barley, boar..

George Barley, bo..

Mr. Krull, boarde..

Hilda, Barnhart's..

Elmer Davis

H. V. Kaltenborn

Drew Pearson

Gabriel Heatter (..

Lieutenant in Cha..

Army Dr. White

Balding Army Doct..

Army Examining Do..

Radio Interviewer..

Brady

M.P. Captain at B..

Conference Colone..

Margaret, Tom's s..

Mr. Bleeker, jewe..

Zone Five Lieuten..

The Cab Driver

Sammy, boy witnes..

Lady Outside Jewe..

Government Man

Radar Operator

Indian Newscaster

British Newscaste..

Sentry (scene del..

Scientific Delega..

British Radio Ann..

Radio Announcer (..