Langella has starred in films such as "Diary of a Mad Housewife" (1970), Mel Brooks' "The Twelve Chairs" (1970), "Dracula" (1979), "Masters of the Universe" (1987), "Dave" (1993), "Good Night, and Good Luck" (2005), "Starting Out in the Evening" (2007), "Robot & Frank" (2012), "Captain Fantastic" (2016), and "The Trial of the Chicago 7" (2020). He is also known for his performances in the HBO television films "Muhammad Ali's Greatest Fight" (2013), and "All the Way" (2016). He had a recurring role as Gabriel, the KGB handler for the lead characters, in the FX series "The Americans" (2013-2017), and has played Sebastian Piccirillo in the Showtime series "Kidding" (2018-2020).