Courtney Thorne-Smith. Actress: Ally McBeal. Courtney Thorne-Smith is an American actress. She is best known for her starring roles as Alison Parker on Melrose Place, Georgia Thomas on Ally McBeal, Cheryl Mabel in According to Jim and her recurring role on Two and a Half Men as Lyndsey McElroy. Thorne-Smith was born in San Francisco, California, and grew up in Menlo Park, a suburb south of San Francisco. Her father,...