An alien and a robot land on Earth after World War II and tell mankind to be peaceful or face destruction.
Michael Rennie
Klaatu / Mr. Carpenter
Patricia Neal
Helen Benson
Billy Gray
Bobby Benson
Sam Jaffe
Prof. Jacob Barnhardt
Hugh Marlowe
Tom Stevens
Lock Martin
Gort
Star Trek: Insurrection
Stowaway
Finch
The Arrival
Automata
I Am Mother
Terminator Genisys
Moon