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
Mean Girls
⭐ 7.222Hot Tub Time Machine
⭐ 6Love Is the Drug
⭐ 5.7My Best Friend's Girl
⭐ 5.642127 Hours
⭐ 7.085Successful Alcoholics
⭐ 6.4The Last Rites of Ransom Pride
⭐ 3.7Crashing
⭐ 4.5Beef
⭐ 6.6Save the Date
⭐ 5.748Bachelorette
⭐ 5.4083, 2, 1... Frankie Go Boom
⭐ 5.8Everybody's Doing It
⭐ 3.2High Road
⭐ 5.6Queens of Country
⭐ 5Marvel One-Shot: Item 47
⭐ 6.4Cloverfield
⭐ 6.702The Interview
⭐ 6.188Orange County
⭐ 6.024The Sidekick
⭐ 4.5The Night Before
⭐ 6.091Now You See Me 2
⭐ 6.826The People We Hate at the Wedding
⭐ 6.3Crossing Over
⭐ 6.1Allied
⭐ 6.802Extinction
⭐ 6.031The Disaster Artist
⭐ 7.107From Where I Sit
⭐ 07 Up & Me
⭐ 7.5Hardcore Action News
⭐ 0The Toll Road
⭐ 7Cobweb
⭐ 6.458Home for Actresses
⭐ 0Drag
⭐ 0