Val Kilmer that same year, he starred opposite Al Pacino and Robert De Niro in "Heat", which is now considered one of the best crime/drama films of the 1990s. In December 1993, "Batman Forever" director Joel Schumacher had seen "Tombstone" and was most impressed with Kilmer's performance as Doc Holliday. Schumacher felt him to be perfect for the role of Batman, though at the time, the role was still Michael Keaton's. In July 1994, Keaton decided not to return for a third Batman film after 1992's "Batman Returns", due to "creative differences". William Baldwin (who previously worked with Schumacher on "Flatliners") was
George Clooney in which he also starred. On April 4, 2008, "Variety" reported that Clooney had quietly resigned from the Writers Guild of America over a dispute concerning "Leatherheads". Clooney, who is the director, producer, and star of the film, claimed that he had contributed in writing "all but two scenes" of it, and requested a writing credit alongside Duncan Brantley and Rick Reilly, who had worked on the screenplay for 17 years. Clooney lost an arbitration vote 2–1, and withdrew from the union over the decision. He became a "financial core status" non-member, meaning he no longer has voting rights, and