Acting Howard Nelson Rubien Acting Heart of a Dog 1976 The Innocent Party Guest (uncredited) 1976 Mahogany Man at Fashion Show (uncredited) 1975 Ludwig Ambassador (uncredited) 1973 Death in Venice Hotel Guest (uncredited) 1971 The Damned Dean of the University 1969 Killer Kid El Santo 1967 The Leopard Don Diego 1963 The Horrible Dr. Hichcock 1962 Boccaccio '70 Eating Man (uncredited) 1962 Agent-readable