1951
Klaatu, alias Mr. Carpenter
Helen Benson
Bobby Benson
Prof. Jacob Barnhardt
Tom Stevens
Gort
General Cutler
Mrs. Crockett, landlady
Mr. Harley, Secretary to the President
Mrs. Barley, boarder
George Barley, boarder
Mr. Krull, boarder
Hilda, Barnhart's secretary
Elmer Davis
H. V. Kaltenborn
Drew Pearson
Gabriel Heatter (voice)
Lieutenant in Charge of Landing Site
Army Examining Doctor
Radio Interviewer at Landing Site
Brady
M.P. Captain at Barnhardt's
Conference Colonel Ryder
Margaret, Tom's secretary
Mr. Bleeker, jeweller
Zone Five Lieutenant Colonel
The Cab Driver
Sammy, boy witness
Government Man
Radar Operator
Indian Newscaster
Sentry (scene deleted)
British Radio Announcer