1. 1992: Blackrock (as Toby)
2. 1997: The Sound of One Hand Clapping (as Simon)
3. 1999: Two Hands (as Jimmy)
4. 1999: The Patriot (as Gabriel Martin)
5. 2000: 10 Things I Hate About You (as Patrick Verona)
6. 2000: A Knight's Tale (as William Thatcher)
7. 2001: Monster's Ball (as Sonny Grotowski)
8. 2002: Ned Kelly (as Ned Kelly)
9. 2003: The Order (as Alex Bernier)
10. 2004: The Four Feathers (as Harry Faversham)
11. 2005: Casanova (as Giacomo Casanova)
12. 2005: Brokeback Mountain (as Ennis Del Mar)
13. 2007: Candy (as Dan)
14. 2008: The Dark Knight (as the Joker)
15. 2008: The Imaginarium of Doctor Parnassus (as Tony, and parts played by Johnny Depp, Jude Law and Colin Farrell after his death)
Please note that "The Imaginarium of Doctor Parnassus" was partly filmed before Ledger's death, and his role was completed by other actors after his passing.