Katharine Hepburn acted.
Katharine Hepburn . Three more Oscars came for her work in Guess Who 's Coming to Dinner ( 1967 ) , The Lion in Winter ( 1968 ) , and On Golden Pond ( 1981 ) . The Lion in Winter (1968 film) . The film stars Peter O'Toole , Katharine Hepburn , John Castle , Anthony Hopkins as Richard the Lionheart ( in his film debut in a major role ) , Jane Merrow and , in early appearances , Timothy Dalton ( in his film debut ) and Nigel Terry .