James Todd Spader (born February 7, 1960) is an American actor. He is best known for portraying eccentric characters in films such as the drama Sex, Lies, and Videotape (1989), the action science fiction film Stargate (1994), the controversial psychological thriller Crash (1996), and the erotic romance Secretary (2002). In the Marvel Cinematic Universe, he played the titular character of Ultron in Avengers: Age of Ultron (2015), which he portrayed through voice and motion capture.
His best-known television roles are those of attorney Alan Shore in The Practice and its spin-off Boston Legal (for which he won three Emmy Awards), and Robert California in the comedy-mockumentary The Office. He currently stars as high-profile criminal-turned-FBI-informant Raymond "Red" Reddington in the NBC crime drama The Blacklist, for which he has earned two Golden Globe Award nominations.