Robert Westenberg (born October 26, 1953) is an American stage actor and singer, acting teacher, and professor.
He appeared on Broadway in Sunday in the Park with George (as the title role), Les Misérables (as Inspector Javert), Into the Woods (as The Big Bad Wolf and Cinderella’s Prince), The Secret Garden (as Dr. Neville Craven), as well as several other musicals.
[4] He played the dual role of a Soldier/Alex and understudied Mandy Patinkin in Stephen Sondheim's Sunday in the Park with George which opened in May 1984.
[8] In 1991, he starred as Dr. Neville Craven in the original Broadway production of The Secret Garden playing opposite Patinkin again along with Daisy Eagan, Alison Fraser and Rebecca Luker.
In 1994 and 2001, Westenberg starred as Scrooge’s nephew Fred in the musical adaptation of A Christmas Carol in Madison Square Garden.
In 1996, Westenberg was in the US National tour of Funny Girl as Nick Arnstein opposite Debbie Gibson as Fanny Brice.
He has made guest appearances on Third Watch, Law & Order: Special Victims Unit, and the short-lived series Aliens in the Family.