Judy Bowker's sword and sandal epic mentioned earlier was the 1981 "Clash of the Titans" with Olivier,Maggie Smith, Harry Hamlin,Claire Bloom and Flora Robson.The special effects were by Ray Harryhausen - although dated by this method(as against CGI)it is far and away superior to the recent remake.Worth seeing just for the cast.
It turns up regularly on TCM.