When Adam was a child, his father took him to the theater to see Westerns on a regular basis. This is where his love for film began and he's had a serious interest in acting since he was in the 5th grade.
He graduated from of New Trier Township High School East in Winnetka, Illinois and worked as a truck driver before pursuing his acting career.
He began his acting career when he was a teenager and made his motion picture debut at the age of 18 in the 1980 film, My Bodyguard. His notable film appearances are Full Metal Jacket, Independence Day, The Patriot, and Serenity. His notable television appearances are The X-Files, Firefly, Angel, Daybreak, and Chuck, with many guest starring roles in other programs, as well as providing his voice to many animated series such as, Jackie Chan Adventures and Transformers Prime.
After reading David Horowitz's book Radical Son. He changed his political stance from being a democrat to what he considers as a "small government conservative libertarian", and has contributed blogs to the Huffington Post and Big Hollywood.
Although he shares the same last name, Adam is not related to the four Baldwin brothers. Adam lives in Malibu, California with his wife, Ami,and three children.