Sydney Pollack was his Los Angeles next door neighbor.
According to one book ("Easy Riders and Raging Bulls" by Peter Biskind), Towne is a bit of a hypochondriac who visits his doctors constantly.
Attended Pomona College.
Ex-father-in-law of Charlie Hunnam.
Ex-son-in-law of actors John Payne and Anne Shirley.
Father of Katharine Towne and Chiara Towne.
Frequentley seen at Los Angeles Laker games sitting to the right of Jack Nicholson.
Had his name replaced in the final credits of Greystoke: The Legend of Tarzan, Lord of the Apes (1984) after he saw the film. The name he substituted, "P.H. Vazak", was that of his sheepdog. Wrote the garden scene between Marlon Brando and Al Pacino for The Godfather (1972). A long-time friend of Jack Nicholson whom he met while attending Jeff Corey's acting classes in the late 1950s.
Is good friends with Tom Cruise.
Towne's very first writing assignment was on a Roger Corman vehicle titled, "Fraternity Hell Week." The B-movie never did make to the screen as the script was ultimately lost.