An understudy is an actor learning a role in case the main actor is indisposed.

Understudy or The Understudy may also refer to:

Literature The Understudy (novel), a 2005 novel by David Nicholls The Understudy, a 1975 novel by Elia Kazan The Understudy, a 2007 play by Theresa Rebeck

Film The Understudy (1922 film), an American film directed by William A. Seiter The Understudy (1976 film), an Australian television film directed by Eric Luithle The Understudy: Graveyard Shift II, a 1988 Canadian horror film directed by Jerry Ciccoritti The Understudy (2008 film), a British comedy directed by David Conolly and Hannah Davis

Television episodes "The Understudy" (Inside No. 9) "Understudy" (Mutant X) "The Understudy" (Seinfeld) "Understudy" (Smash) "The Understudy" (Upstairs, Downstairs)