<P> Riff Raff and Magenta interrupt the performance, revealing themselves and Frank to be aliens from the planet Transsexual in the galaxy of Transylvania . They stage a coup and announce a plan to return to their home planet . In the process, they kill Columbia and Frank, who has "failed his mission". An enraged Rocky gathers Frank in his arms, climbs to the top of the tower, and plunges to his death in the pool below . Riff Raff and Magenta release Brad, Janet, and Dr. Scott, then depart by lifting off in the castle itself . The survivors are then left crawling in the dirt, and the narrator concludes that the human race is equivalent to insects crawling on the planet's surface, "lost in time, and lost in space...and meaning". </P> <Ul> <Li> Tim Curry as Dr. Frank N. Furter, a scientist </Li> <Li> Susan Sarandon as Janet Weiss, a heroine </Li> <Li> Barry Bostwick as Brad Majors, a hero </Li> <Li> Richard O'Brien as Riff Raff, a handyman </Li> <Li> Patricia Quinn as Magenta, a domestic </Li> <Li> Nell Campbell as Columbia, a groupie (credited as Little Nell) </Li> <Li> Jonathan Adams as Dr. Everett V. Scott, a rival scientist </Li> <Li> Peter Hinwood as Rocky Horror, a creation </Li> <Li> Meat Loaf as Eddie, an ex-delivery boy </Li> <Li> Charles Gray as the Criminologist, an expert </Li> <Li> Jeremy Newson as Ralph Hapschatt </Li> <Li> Hilary Farr as Betty Munroe (credited as Hilary Labow) </Li> </Ul> <Li> Tim Curry as Dr. Frank N. Furter, a scientist </Li> <Li> Susan Sarandon as Janet Weiss, a heroine </Li>

Who played dr. frankenfurter in the pop-culture film 'rocky horror picture show