An undated photo of "Dawson's Creek" castmates, from left: Joshua Jackson, Katie Holmes, James Van Der Beek, and Michelle Williams. The show ran for six seasons, from 1998-2003.
Ledger and Williams met while filming the movie in 2004. Their daughter, Matilda Rose, was born the following year.
Williams was nominated for the best actress Oscar for her performance in "My Week With Marilyn." She lost the award to Meryl Streep.