Sarah Louise Christine Chalke (born August 27, 1976) is a Canadian actress and model. She is best known for her roles as Kate Mularkey in the Netflix series Under the Bridge, Gabi in the film Mother's Day, Paula Crowe in Chaos Theory, Dr. Elliot Reid in the NBC/ABC sitcom Scrubs, Gloria MacIntosh in the film Nothing Too Good for a Cowboy and the subsequent CBC series, Muriel Jakes in the Showtime series Dead Man's Gun, Annie in the CTV series Neon Rider, and the second Becky Conner in Roseanne.

She had recurring roles as Merrill Morgan in the Netflix series Friends from College, Melanie Hertzal in the ABC sitcom Speechless, Amy Gazanian in the FOX series Backstrom, and Stella Zinman in the CBS sitcom How I Met Your Mother.

She has also voiced a number of roles, including the Professor in the Disney Channel series Hailey's On It!, Stella in the Netflix series Dogs in Space, Gina Jabowski in the Netflix series Paradise PD, Beth Smith in the [adult swim] series Rick and Morty, and Maggie in the animated short series Prep & Landing.

In December 2006, she became engaged to Canadian lawyer Jamie Afifi after three years of dating. In September 2022, she announced that they had called off the engagement and had "separated some time ago." They have two children: a son born in December 2009 and a daughter born in May 2016. Her son was diagnosed with Kawasaki disease at the age of two. (From Wikipedia, the free encyclopedia)