Joanne Leone Johansson did not play anyone on One Tree Hill. She was Paul Johansson’s mother, who passed away on October 14, 2011 after a twenty year battle with cancer.
Paul plays Dan Scott on the program and also directed 14 of the episodes. The One Tree Hill episode “Danny Boy” was dedicated in honor of his mother (Joanne Leone Johansson), as she passed away during the shooting. It was episode 11 of season 9, aired on March 21, 2012.
One Tree Hill was cancelled after its 9th season (April 4, 2012).
Watch full length episodes & video clips, read episode guides & recaps, fan reviews, news, and much more about One Tree Hill at TV.com.
To see One Tree Hill (TV Series 2003–2012) cast and crew credits, including actors, actresses, directors, writers and more, see this IMDb page.
Because it’s important to learn more from the show than just the lyrics to every Gavin DeGraw song, check out some facts that you probably didn’t know about "One Tree Hill", shared by BuzzFeed.com.