Catherine Marcelle Reitman ( /ˈraɪtmən/; born April 28, 1981)[1] is a Canadian-American actress, producer, and writer.

She is the creator, executive producer, writer, and star of the Netflix/CBC Television sitcom Workin' Moms (2017−2023).

She occasionally filled in for Kevin Smith as a guest co-host with Ralph Garman on their podcast, Hollywood Babble-On.

She has also had roles on the series Hollywood Residential, It's Always Sunny in Philadelphia, How I Met Your Mother, Weeds, and Blackish.

with her husband Philip Sternberg to produce the half-hour, single-camera comedy Workin' Moms for CBC and Netflix.