Trivia

During the "radical" 1960s, Alan became a member of the Black Panthers and was an active protester of the Vietnam War.

He was the New York State backgammon champ in 1982.

23 September 2005 - Alan beat out Morgan Fairchild and Robert Conrad to become the new President of the Screen Actors Guild.

Met second wife actress Marg Helgenberger while both were appearing in the daytime soap Ryan's Hope (1975) in 1984. Alan was married at the time to actress Robin Bartlett. They hooked up again by accident at a Los Angeles bank two years later (Alan was then divorced) and married in 1989. They have one son and have appeared in several projects together, including the Lifetime TV-movie Giving Up the Ghost (1998).

Father was a swing-era musician.

Appeared with his wife, Marg Helgenberger, in the Les Experts (2000) episode, Weeping Willows (2005). According to Helgenberger in the DVD commentary, he was uncomfortable treating her the way he does, even though it was just a fictional encounter.

His character, divorce lawyer Eli Levinson in the 1991-1993 courtroom series Guerres privées (1991), was so popular that it was repeated on La loi de Los Angeles (1986) for the 1993-1994 season. Rosenberg had already appeared in two episodes as lawyer William Willis in 1989-1990.

Cousin of Donald Fagen

Younger brother of producer Mark Rosenberg, who died of a heart attack in 1992 at the age of 44.

Made his Broadway debut in "Lost in Yonkers."

Has a son named Hugh.

Played both sinners and saints: from gangster "Frank Nitti" in the TV biopic, The Revenge of Al Capone (1989), to the "Apostle Thomas", in the controversial film, La Dernière Tentation du Christ (1988).