Untamed Heart agent, MGM had greenlighted the project. Originally, the film was titled "The Baboon Heart" in honor of an infant named Baby Fae (born 14 October 1984) who received a cross-species heart transplant from a baboon to fix a congenital heart defect. Initially, Bill had not considered Christian Slater for the role of Adam, “but then it was just the obvious choice." For the role of Caroline, Bill remembered auditioning Marisa Tomei for his earlier film, "Five Corners". While she had been too young for that role, after her success with "My Cousin Vinny" he felt she was right for the
Olive baboon is usually classified as savannah-dwelling, living in the wide plains of the grasslands. The grasslands, especially those near open woodland, do make up a large part of its habitat, but the baboon also inhabits rainforests and deserts. Uganda and the Democratic Republic of the Congo, for instance, both support olive baboon populations in dense tropical forests. The olive baboon lives in groups of 15 to 150, made up of a few males, many females, and their young. Each baboon has a social ranking somewhere in the group, depending on its dominance. Female dominance is hereditary, with daughters having nearly the