Carlo Rambaldi was to design a life-sized mechanical gorilla for filming. While the massive and expensive model was being constructed, makeup artist Rick Baker built a much cheaper gorilla costume to wear in some scenes. Sources differ as to what happened to Rambaldi's model. Barbra Streisand was considered for the part of Dwan. When Jessica Lange's character Dwan first appears in the film she is in a rubber dinghy floating towards the Petrox explorer. She was later told by her make-up as ...[Read Story ]