Addison Montgomery

Addison Montgomery is a fictional character from the television series 'Grey's Anatomy,' portrayed by actress Kate Walsh. She is introduced as a highly skilled neonatal surgeon and a former wife of Derek Shepherd, a central character on the show. Addison's arrival at Seattle Grace Hospital brings a mix of drama and complexity to the storyline, as her past relationship with Derek creates tension with Meredith Grey, the show's protagonist. Known for her strong personality, Addison often faces moral dilemmas and personal challenges, making her a compelling character in the ensemble cast. Her character has also been featured in the spin-off series 'Private Practice,' where she takes center stage, exploring her life and career in Los Angeles.