
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 (2022) have earned her nominations at the Primetime Emmy Awards.
Her first acting role was on the television series Freaks and Geeks (1999–2000). Since then, she 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).
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Virginia Johnson (voice)
Woman Arguing With Quagmire (voice)
Lula May
Debbie (voice)
Tina Greer
Julia Cleary
Amy
Lula
Janis Ian
Casey Klein
Harmony
Virginia Johnson
Rebecca Ruxin
Annie Wilkes
Sara
Lanie Buhrman / Josie Buhrman
Carla Monroe
Casey Klein
Juliette Flowers
Claire Wise
Reagan Ridley (voice)
Alexandra Mullen
Deirdre
Marlena
Agent Lacey
April
Marissa
Avery Bishop
Bridget Vatan
Libby Epstein
Sonja Ralston
Sarah
Marla
Gena Myers
Carol
Alice
Lizzy Caplan
Diana
Alex Forrest
Beautiful Girl
Marjee Sorelli
Ami
Vivian Cornelli
Audrey
Sheila
Party Girl
Kat Warbler
Emily
Lindsay
Sara Weller
Lassie
Jacqueline
Faith Pitt
Bailey
Lily
Self
Jolene Gillis
Nadia
Angela
Lizzy Lyons
Lizzy
Self
Self
Self - Guest
Self
Self
Self
Self
Self
Self
Self
Self