演员
Michael Rennie
Klaatu, alias Mr. Carpenter
帕特里夏·尼尔
Helen Benson
Billy Gray
Bobby Benson
山姆·贾菲
Prof. Jacob Barnhardt
休·马洛
Tom Stevens
Lock Martin
Gort
Freeman Lusk
General Cutler
伊迪丝·埃文森
Mrs. Crockett, landlady
Frank Conroy
Mr. Harley, Secretary to the President
弗朗西斯·巴维尔
Mrs. Barley, boarder
John Brown
George Barley, boarder
Olan Soule
Mr. Krull, boarder
