Where's Poppa? (also titled Going Ape) is a 1970 black comedy film; it is based on the novel by Robert Klane and stars George Segal, Ron Leibman and Ruth Gordon. The plot revolves around the troubled relationship between a lawyer (Segal) and his senile mother (Gordon). The film was directed by Carl Reiner, whose son Rob Reiner had a role in an early performance. Others in the cast are Paul Sorvino, Ron Leibman, Trish Van Devere, Vincent Gardenia and future Saturday Night Live star Garrett Morris.