MusicXML scores for flute by Jason Alexander

Jay Scott Greenspan (born September 23, 1959), known professionally as Jason Alexander, is an American actor and comedian. Over the course of his career he has received a Emmy Award, and Tony Award as well as nominations for six Golden Globe Awards. He gained stardom for his role as George Costanza in the NBC sitcom Seinfeld (1989–1998), for which he was nominated for seven consecutive Primetime Emmy Awards for Outstanding Supporting Actor in a Comedy Series and four Golden Globe Awards for Best Supporting Actor in Television.

Alexander made his Broadway debut originating the role of Joe in Stephen Sondheim's Merrily We Roll Along in 1981. He remained active on Broadway acting in the musicals The Rink in 1984, Personals in 1985, and the Neil Simon play Broadway Bound in 1986. He then starred in Jerome Robbins' Broadway in 1989, for which he won the Tony Award for Best Actor in a Musical. He appeared in the Los Angeles production of Mel Brooks' The Producers. He was the artistic director of "Reprise! Broadway's Best in Los Angeles", where he has directed musicals.

His film roles include Pretty Woman (1990), Coneheads (1993), North (1994), The Last Supper (1995), Dunston Checks In (1996), Denial (1998), Shallow Hal (2001), and Wild Card (2015). He voiced the gargoyle Hugo in the Disney film The Hunchback of Notre Dame (1996) and the 2002 sequel as well as the titular role in Duckman (1994–1997). For his role in Dream On (1994) he was nominated for a Primetime Emmy Award for Outstanding Guest Actor in a Comedy Series. He also acted in Curb Your Enthusiasm (2001, 2009), and The Marvelous Mrs. Maisel (2019).