Jason Alexander he appeared in Stephen Sondheim's "Merrily We Roll Along," Kander & Ebb's "The Rink", Neil Simon's "Broadway Bound", "Accomplice", and "Jerome Robbins' Broadway", for which he garnered the 1989 Tony Award for Best Leading Actor in a Musical. Returning to the stage in 2003, Alexander was cast in a successful run, opposite Martin Short, in the Los Angeles production of Mel Brooks' "The Producers". Alexander also appeared with Kelsey Grammer in the 2004 musical adaptation of Charles Dickens' "A Christmas Carol", playing Jacob Marley to Grammer's Ebenezer Scrooge. He continues to appear in live stage shows, including Barbra Streisand's memorable
Mel Brooks Broadway musical adaptation of "Young Frankenstein", which he says is "perhaps the best movie [he] ever made. " The world premiere was performed at Seattle's Paramount Theater, between August 7, 2007, and September 1, 2007, after which it opened on Broadway at the former Lyric Theater (then the Hilton Theatre), New York, on October 11, 2007. It earned mixed reviews from the critics. Brooks joked about the concept of a musical adaptation of "Blazing Saddles" in the final number in "Young Frankenstein", in which the full company sings, "next year, "Blazing Saddles"!" In 2010, Mel Brooks confirmed this, saying that