Elizabeth Anne Caplan (born June 30, 1982) is an American actress. Her performances as Virginia E. Johnson in the Showtime series Masters of Sex (2013–2016) and as Libby Epstein in FX on Hulu's Fleishman Is in Trouble have earned her nominations at the Primetime Emmy Awards.
Her first acting role was on Freaks and Geeks (1999–2000). Since then, she has had series-regular roles in several television series, including Related (2005–2006), Party Down (2009–2010; 2023), Das Boot (2018), Castle Rock (2019), Truth Be Told (2019), Fatal Attraction (2023), and Zero Day (2025).
Caplan's film breakthrough came with her role as Janis Ian in Mean Girls (2004). Her other film appearances include My Best Friend's Girl (2008) Cloverfield (2008), Hot Tub Time Machine, 127 Hours (both 2010), Save the Date, Bachelorette (both 2012), The Interview (2014), Now You See Me 2, Allied (both 2016), and Cobweb (2023).
Description above from the Wikipedia article Lizzy Caplan, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Virginia Johnson (voice)
Woman Arguing With Quagmire (voice)
Debbie (voice)
Rebecca Ruxin
Casey Klein
Harmony
Tina Greer
Sara
Amy
Virginia Johnson
Carla Monroe
Julia Cleary
Deirdre
Lanie Buhrman / Josie Buhrman
Alexandra Mullen
Annie Wilkes
Alex Forrest
Libby Epstein
Avery Bishop
Casey Klein
Reagan Ridley (voice)
Janis Ian
Kat Warbler
Lula
Carol
Nadia
Agent Lacey
Beautiful Girl
Faith Pitt
Sonja Ralston
Marlena
Bridget Vatan
Alice
Lizzy Caplan
April
Marissa
Vivian Cornelli
Marjee Sorelli
Diana
Marla
Ami
Gena Myers
Party Girl
Claire Wise
Lassie
Self
Juliette Flowers
Sarah
Sheila
Self
Self
Self
Audrey
Self - Guest
Lindsay
Bailey
Jacqueline
Lizzy
Lily
Sara Weller
Jolene Gillis
Self
Self
Angela
Lizzy Lyons
Self
Self
Emily
Self
Self