The Tempest two other silent versions, one from 1911 by Edwin Thanhouser, are known to have existed, but have been lost. The plot was adapted for the Western "Yellow Sky", directed by William A. Wellman, in 1946. The 1956 science fiction film "Forbidden Planet" set the story on a planet in space, Altair IV, instead of an island. Professor Morbius and his daughter Altaira (Anne Francis) are the Prospero and Miranda figures (both Prospero and Morbius having harnessed the mighty forces that inhabit their new homes). Ariel is represented by the helpful Robby the Robot, while Sycorax is replaced with the powerful
Forbidden Planet usually slightly modified for each appearance. The animated sequences of "Forbidden Planet", especially the attack of the monster, were created by the veteran animator Joshua Meador, who was lent out to MGM by Walt Disney Pictures. According to a "Behind the Scenes" featurette on the film's DVD, a close look at the creature shows it to have a small goatee beard, suggesting its connection to Dr. Morbius, the only character with this physical feature. Unusually, the scene in which the Id Monster is finally revealed during its attack on the Earth ship was not created using traditional cel animation. Instead,