Alan Alda through the years

Actor Alan Alda speaks during "Bridge Of Spies" Q&A on Day 5 of the 23rd annual Hamptons International Film Festival on Oct. 12, 2015, in East Hampton, New York.

Alan Alda arrives at Frank E. Campbell Funeral Chapel in Manhattan before the wake for former Gov. Mario Cuomo in Manhattan on Jan. 5, 2015. Cuomo, who served three terms as New York State governor, died at home from heart failure at 82.The death occurred on the same day his son Andrew Cuomo was sworn into office for his second term as governor.

Actor, author and activist Alan Alda, left, attends the Campaign for Stony Brook kick-off event at Stony Brook University on Nov. 21, 2015. The event begins the university's drive to raise the remaining $176 million of a $600 million capital campaign by July 2018.

Actor Alan Alda attends the Hamptons International Film Festival on Oct. 12, 2014, in East Hampton, New York.

Actor Alan Alda attends the Knicks' game against the Toronto Raptors at Madison Square Garden on Feb. 13, 2013.

Alan Alda arrives at Stony Brook University's annual gala at Chelsea Piers in Manhattan on April 24, 2013.

Alan Alda greets students at Brentwood's South Middle School on May 8, 2012.

Alan Alda poses after winning a Special Founders Award at the 40th International Emmy Awards on Nov. 19, 2012, in New York.

Flame challenge finalist Ben Ames with Alan Alda at Alda's Flame Challenge announcement at The Paley Center for Media in Manhattan on June 1, 2012.

Alan Alda greets student Anna Amarante at Brentwood's South Middle School on May 8, 2012.

Actors Vera Farmiga, Alan Alda and Kate Beckinsale attend the gala screening of "Nothing But The Truth" during the Toronto International Film Festival held on Sept. 8, 2008.

Alan Alda, center, is flanked by his co-star Michelle Pfeiffer, right, and her husband Peter Horton as they arrive for the premier of Alda's movie "Sweet Liberty" in New York on April 17,1986.

Members of the "M*A*S*H" cast during the taping of the show's final episode. The 2 1/2-hour finale was the most watched series finale in Nielsen Media Research history, and still hasn't been topped. From left, are cast members Loretta Swit, Mike Farrell, Jamie Farr, Harry Morgan, Alan Alda and William Christopher in January 1983.

Actors Alan Alda, left, and Wayne Rogers exchange laughs during a party in Los Angeles, which marked the end of production for the television series, "M*A*S*H*", which has been on TV for 11 seasons in this Dec. 14,1982 photo. Also pictured is Alda's daughter, Elizabeth Alda.

Alan Alda at the Screen Actors Guild in September 1980.

Diana Sands and Alan Alda,who comprise the entire cast of new comedy "The Owl and the Pussycat," pose backstage at New York's Anta Theater following the play's Broadway premiere on Nov. 18,1964.

Alan Alda at 11 years old, in 1947.