Sydney is an American sitcom television series starring Valerie Bertinelli, Matthew Perry, and Craig Bierko that aired on CBS from March 21 to June 25, 1990. It was created and written by Michael J. Wilson and Douglas Wyman. This series marked Valerie Bertnelli's return to a CBS series after One Day at a Time had ended in 1984.

Valerie Anne Bertinelli is an American actress and television personality. She first achieved recognition as an adolescent, portraying Barbara Cooper Royer on the sitcom One Day at a Time (1975–1984), for which she won two Golden Globe Awards for Best Supporting Actress in a Series, Miniseries or Television Film. She subsequently earned adult stardom as Gloria on the religious drama series Touched by an Angel (2001–2003), and Melanie Moretti on the sitcom Hot in Cleveland (2010–2015), which brought her a Screen Actors Guild Award nomination. In 2012, she received a star on the Hollywood Walk of Fame.