Seymour Joseph Cassel was an American actor who appeared in over 200 films and television shows, with a career spanning over 50 years. He first came to prominence in the 1960s in the pioneering independent films of writer/director John Cassavetes. The first of these was Too Late Blues (1961), followed by Faces (1968), for which he was nominated for an Academy Award and won a National Society of Film Critics Award. Cassel went on to appear in Cassavetes' Minnie and Moskowitz (1971), The Killing of a Chinese Bookie (1976), Opening Night (1977), and Love Streams (1984). He also appeared in other notable films, including: Coogan's Bluff (1968), The Last Tycoon (1976), Valentino (1977), Convoy (1978), Johnny Be Good (1988), Mobsters (1991), In the Soup (1992), Honeymoon in Vegas (1992), Indecent Proposal (1993), The Sleepy Time Gal (2001), Beer League (2006), and Fort McCoy (2011). Like Cassavetes, Wes Anderson frequently cast Cassel – first in Rushmore (1998), then in The Royal Tenenbaums (2001), and finally in The Life Aquatic with Steve Zissou (2004).

John Nicholas Cassavetes was a Greek-American filmmaker and actor. He began as an actor in film and television before helping to pioneer modern American independent cinema as a writer and director, often producing and distributing his films with his own money. He received nominations for three Academy Awards, two BAFTA Awards, four Golden Globe Awards, and an Emmy Award.