has he ever been arrested?
Yes, several times - disorderly conduct,  third-degree attempted assault and second-degree harassment violation etc.
Alec Baldwin
In 2014, Baldwin was arrested for disorderly conduct after riding his bicycle the wrong way down a one-way street.

On November 26, 2018, Baldwin appeared in a New York court to face a misdemeanor charge of third-degree attempted assault and second-degree harassment violation after a parking dispute in Manhattan's West Village on November 2.
The prosecutor said Baldwin told the responding officer, "He's an ass. He stole my spot. I did push him." On January 23, 2019, Baldwin pleaded guilty to harassment and agreed to attend a one-day anger management class.
what is when it rains, it pours (30 rock)? It is an episode of the  fifth season of the American television comedy series "30 Rock". when did the conception of this series started? 2002 how many seasons does it have? Seven seasons what are its ratings? It tied at 11th in affluence with several other shows. what are some of its cast and characters? Cast includes TIna Fey, Alec Baldwin, Tracy Morgan, and Jane Krakowski, among others. where was the former mentioned star born? Delaware County, Pennsylvania what is her acting style? She is known for her deadpan humor and delivery, and her "sardonic wit". where is the second mentioned star from? Amityville, New York how did he begin his acting career? He had his Broadway debut in a revival of Joe Orton's "Loot". who did he marry? Kim Basinger was his first wife.
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Alec Baldwin [SEP] Arrests
In 2014, Baldwin was arrested for disorderly conduct after riding his bicycle the wrong way down a one-way street. On November 26, 2018, Baldwin appeared in a New York court to face a misdemeanor charge of third-degree attempted assault and second-degree harassment violation after a parking dispute in Manhattan's West Village on November 2. The prosecutor said Baldwin told the responding officer, "He's an ass. He stole my spot. I did push him." On January 23, 2019, Baldwin pleaded guilty to harassment and agreed to attend a one-day anger management class.