Is one of only two people with a standing invitation to host "Saturday Night Live" (1975) every year (schedules allowing). The other is Christopher Walken.
Has impersonated Robert De Niro on "Saturday Night Live" (1975) a few times, and now he will be in The Good Shepherd (2006), which is directed by De Niro.
Did a skit on "Saturday Night Live" (1975) in December of 2005 in which he spoofed himself delivering the same speech he did in Glengarry Glen Ross (1992) to a couple of Santa's elves. Only some of the words were changed to apply to the elves rather than salesmen. He slipped though when saying the line, "Always Be Cobbling" instead he said the original line, "Always Be Closing". This made the other cast members break out in laughter on the live show.
Will surpass, Steve Martin, for hosting "Saturday Night Live" (1975) the most times - the 16th - when he does so, as scheduled, on Sept. 24, 2011. Martin has hosted 14 times. In 2010, the friendly duo co-hosted The 82nd Annual Academy Awards (2010) (TV).
On December 12, 1998, Alec Baldwin hosted "Saturday Night Live" (1975) and appeared in the double entendre-filled "Schweddy Balls" edition of the recurring skit "The Delicious Dish," which spoofed National Public Radio (NPR). In 2009, Baldwin became the on-air radio host of "The New York Philharmonic This Week" on the real NPR. In 2011, Baldwin became the host of his own public radio interview podcast show on WNYC, "Here's the Thing with Alec Baldwin.".
In 1979, he auditioned for the New York University Undergraduate Drama Program on a dare (and was accepted).
As part of his preparation for The Hunt for Red October (1990), he was trained to drive a Los Angeles-class attack submarine at the New London Submarine Base in Connecticut.
Chosen by People magazine as one of the 50 Most Beautiful People in the world. 
Turned down the chance to reprise the role of Jack Ryan in Patriot Games (1992) in order to play Stanley Kowalski in a revival of Tennessee Williams's "A Streetcar Named Desire" on Broadway.
Has declined two roles that later went to Harrison Ford. First, he declined to reprise the role of Jack Ryan in Patriot Games (1992), then he turned down the lead role in The Fugitive (1993).
Education: George Washington University, Washington, D.C. (majored in political science), New York University, New York, New York (majored in drama; BA, 1993).
During the Bill Clinton impeachment trial went on "Late Night with Conan O'Brien" (1993) and said to a cheering audience that the head of the trial, Henry Hyde and his family, should be stoned to death. He later apologized and said it was just a joke.
As a long-time political liberal activist, was rumored to be weighing a run for mayor of New York City...until he denied it recently on "Late Show with David Letterman" (1993) (2011).
Revealed during an appearance on "Late Night with Conan O'Brien" (1993) that he suffers from OCD.
Replaced Alan Rickman as the voice of Leonardo Leonardo in the 2000 cartoon based on Kevin Smith's film Clerks. (1994).
Daughter, Ireland Eliesse (aka Addie Baldwin), born on October 23, 1995.
His A Streetcar Named Desire (1995) (TV) castmate, John Goodman, played Marlon Brando on "Saturday Night Live" (1975).
Was nominated for Broadway's 1992 Tony Award as Best Actor (Play) for playing Stanley Kowalski in a revival of Tennessee Williams's "A Streetcar Named Desire," a performance he recreated in a television version of the same title, A Streetcar Named Desire (1995) (TV).
Chosen by Empire magazine as one of the 100 Sexiest Stars in film history (#80). 
In 1995, he played the role of Stanley Kowalski in A Streetcar Named Desire (1995) (TV), a role originated by Marlon Brando, who went on to play Vito Corleone. On "Saturday Night Live" (1975), he has played Robert De Niro, who played the young Vito Corleone to Brando's older Don Corleone, in The Godfather: Part II (1974).
A fan of novelist James Lee Burke, he owns the rights to a number of books featuring his character Dave Robiceaux. One of these, Heaven's Prisoners (1996), was released in 1996.
Told brother Stephen Baldwin that doing Bio-Dome (1996) could be the single most career ending decision he could possibly make.
Wrote "Law & Order: Tabloid (#8.23)" (1998), an episode of "Law & Order" (1990), based on his own experiences with tabloid reporters.
Wrote the "Law & Order: Tabloid (#8.23)" (1998) episode for the television show, "Law & Order" (1990), which was part of the 1998 season, because of his own experience with tabloid reporters.
Was considered for the role of Dr. Curtis McCabe in Vanilla Sky (2001).
Taught "Master Theater Workshop" in summer 2002 at Southampton College, New York where friend James LaRocca is Dean.
Is only the third person in history to be nominated for both Best Supporting Actor from the Oscars, for The Cooler (2003), and Worst Supporting Actor from the Razzies, for Dr. Seuss' The Cat in the Hat (2003), in the same year.
Jokes that he "stole" his performance in The Cooler (2003) from Ben Kingsley's in Sexy Beast (2000).
Received an Honorary Doctorate of Letters from Montclair State University at their 2004 Graduation.
He was willing to voice his own puppet in Team America: World Police (2004) (despite the movie's unflattering portrait of him and other film stars, but was turned down by producers Matt Stone and Trey Parker, because all of the other celebrities were voiced by impressionists in the film. The role went to impressionist Maurice LaMarche.
Has announced plans to retire from acting and pursue other interests when his contract for "30 Rock" (2006) expires in 2012.
For his role on "30 Rock" (2006), named one of the "Eight Actors Who Turn Television into Art", in cover story of The New York Times Magazine (9/11/11).
Caused a scandal by leaving an expletive-filled voice mail for his daughter, Ireland, calling her a "thoughtless little pig", which later was revealed to the media (11 April 2007).
Received a star on the Hollywood Walk of Fame on February 15, 2011, outside Eva Longoria's restaurant, Beso, on Hollywood Blvd., seven blocks away from ex-wife Kim Basinger's star. In attendance were his brother Stephen Baldwin, his daughter Ireland and friend Megan Mullally.
Removed from an American Airlines flight on December 6, 2011 at Los Angeles International Airport, reportedly for not turning off his cellphone.
Engaged to yoga instructor Hilaria Thomas, 28 [April 3, 2012].