Nicollette Sheridan (born 21 November 1963) is a British-born American actress. She began her career as a fashion model before landing a role in the short-lived ABC primetime soap opera Paper Dolls in 1984, as well as starring in the romantic comedy film The Sure Thing (1985). She rose to prominence as Paige Matheson on the CBS primetime soap opera Knots Landing (1986–1993), for which she received two Soap Opera Digest Awards. Thereafter, Sheridan appeared in lead roles in numerous television films and miniseries, including Lucky Chances (1990), Virus (1995), and The People Next Door (1996). She also appeared in the feature films Noises Off (1992), Spy Hard (1996), Beverly Hills Ninja (1997), and Code Name: The Cleaner (2007).
From 2004 to 2009, Sheridan starred as Edie Britt on the ABC television series Desperate Housewives, for which she was nominated for the Golden Globe Award for Best Supporting Actress – Series, Miniseries or Television Film in 2005. From 2018 to 2019, she portrayed Alexis Carrington on The CW's Dynasty reboot.