Richard Bright (Al Neri)

Sofia Coppola (Francis, immigrant chick, Mary)

Diane Keaton (Kay)

Tere Livrano (Teresa)

Talia Shire (Connie)

Al Pacino (MIchael)

Gabriele Torrei (Enzo the Baker), scenes from Part II deleted


Joe Spinell, who played Willi Cici in Parts 1 and 2, was to have been in Part 3 but died before production was to begin

John Cazale (Fredo) played in the first two but is seen in archive footage in the third one.

James Caan appeared in all three movies, but was credited only for the first and merely seen in archive footage for part III.

other crew members who worked/were credited on all three films:
Fred Roos (casting director/producer), Gordon Willis (cinematography), Dean Tavoularis (production design), Nino Rota (composer), Carmine Coppola (composer), Walter Murch (editor/sound department), Gray Frederickson (producer), Mario Puzo (writer) and Francis Ford Coppola (writer, director, producer)