Cristin Milioti (born August 16, 1985) is an American actress. She is known for playing The Mother, Tracy McConnell, in the CBS sitcom How I Met Your Mother from 2013 to 2014, and Sofia Falcone in the HBO crime drama series The Penguin (2024). The latter earned her a Critics' Choice Television Award, a Golden Globe Award nomination, and a Primetime Emmy Award. She appeared in theatre productions such as That Face (2010) and the musical Once (2011–2013), for which she won a Grammy Award and was nominated for a Tony Award. 

Milioti also featured in the 2013 film The Wolf of Wall Street, the 2020 film Palm Springs, the second season of the FX anthology crime series Fargo (2015), the HBO Max comedy series Made for Love (2021–2022), Peacock comedy mystery series The Resort (2022) and two related episodes of Netflix's hit series Black Mirror (2017, 2025).

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