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Originally posted by MistaMista Tom Hagen:
Teresa Hagen is one of the only actors to appear in all 3 movies.
...and so was Sofia Coppola (played Connie's and Carlo's baby in the baptism scene in GF1 and was an extra in GF2 when camera panned the immigrants ship The Moshulu

Gene Hackman bought the rights to the book from Mario Puzo but felt is was too violent for him to portray. Plus, he was busy with The French Connection and The Poseidon Adventure

"I don't like violence, Tom. I'm a business man. Blood is a big expense".