Israel Horovitz's best-known screenplays include:

Sunshine, co-written with Istvan Szabo, follows an Hungarian-Jewish family through the entire 20th-Century. (European Academy Award - Best Screenplay; Writers Guild of Canada – Best Screenplay).

3 Weeks After Paradise, which Horovitz wrote, directed and starred in, chronicles Horovitz’s reflections on September 11, 2001, when his young son Oliver was a student at Stuyvesant High School, just across the road from the Twin Towers. For 3 hours, Horovitz and his wife couldn’t know whether their son was alive or dead. (Best Documentary – Back East Picture Show).

James Dean, a film based upon the life of the actor, who was Horovitz’s teenage hero. Directed by Mark Rydell, introduces a then-unknown actor, James Franco, in the title role (nominated for EMMY and Golden Globe).

Author! Author!, stars Al Pacino in a largely autobiographical account of a playwright dealing with the stress of having his play produced on Broadway while trying to raise a large family.

The Strawberry Statement , adapted by Horovitz from a journalistic memoire by James Simon Kunen dealing with the student strikes at Columbia University in 1968. (Prix du Jury, Festival de Cannes).

My Old Lady, based on his play of the same name, was adapted and directed by Horovitz, starring Maggie Smith, Kevin Kline and Kristin Scott Thomas.