Embryo

John Elerick as Gordon Holliston Dick Winslow as Forbes Barbara Carrera as Victoria Spencer Diane Ladd as Martha Douglas Anne Schedeen as Helen Holliston Vincent Baggetta as Collier Jack Colvin as Dr. Winston Rock Hudson as Dr. Paul Holliston Roddy McDowall as Frank Riley

Ralph Nelson Director Fred J. Koenekamp Director of Photography Jerry Brutsche Stunts Joe Alves Production Design Dick Warlock Stunts