Which of these actors is not in the 'Godfather' trilogy?

Explanation

Widely believed to be one of the best films ever, 'The Godfather' became a huge success when released in 1972. This was not least due to a talented team of actors, including Marlon Brando, Al Pacino and Robert Duval. The second film released in 1974 also became a big success, both artistically and commercially. Robert De Niro also played in the second film.