Mischa Barton
She left because she wanted to pursue other acting ventures, and she had grown tired of the show, and she asked to be written off. She was playing the role of the self-destructive Marissa Cooper, who was killed off in a car accident. The writers wanted the character just to move away to a new town, but she said that it wasn’t in keeping with the spirit of the character.
Mischa Barton
Jonathan Taylor Thomas
He starred as Randy, and he left the show in order to focus more on his schooling also would later leave Hollywood altogether, much to the chagrin of millions of loving fans worldwide. Thomas said that he had no regrets about walking away from Hollywood. He said that he’d been “going nonstop” since he was eight years old. He reunited with his former Home Improvement dad Tim Allen on his series, the Last Man Standing.
Jonathan Taylor Thomas