“He kind of almost pulled out of every movie he ever did,†Heath Ledger’s agent Steve Alexander recalls in the trailer for Spike’s upcoming documentary I Am Heath Ledger. In the new film premiering April 23 at the Tribeca Film Festival interviews with everyone from Ledger’s siblings to director Ang Lee, interspersed with Ledger’s own home movies, paint the late actor as immensely gifted, and endlessly ambitious. The Brokeback Mountain star famously died in 2008 at the age of 28 as a result of the effects of mixing prescription medications. I Am Heath Ledger makes its network debut on Spike on May 17.