James Todd Spader (/ˈspeɪdər/ SPAY-dər; born February 7, 1960) is an American actor. He is known for often portraying eccentric and morally ambiguous characters. He began his career in critically acclaimed independent films before transitioning into television, where he has received acclaim and many awards, including three Primetime Emmy Awards and nominations for three Golden Globe Awards, and ten Screen Actors Guild Awards.

Spader began acting in youth-oriented films such as Tuff Turf, The New Kids (both 1985), Pretty in Pink (1986), and Mannequin (1987). His breakthrough role came with the Steven Soderbergh drama Sex, Lies, and Videotape (1989), for which he received the Cannes Film Festival Award for Best Actor. He then starred in films such as White Palace (1990), True Colors (1991), Stargate (1994), 2 Days in the Valley (1996), and Secretary (2002). Spader took supporting roles in Bob Roberts (1992), Wolf (1994), Lincoln (2012), and The Homesman (2014). He also played the role of Ultron in the Marvel Cinematic Universe film Avengers: Age of Ultron (2015).