MACHT was born in Philadelphia, Pennsylvania. He was raised in Brooklyn Heights, New York, until his father's death. At the age of nine, he moved with his mother and older brother to live with his grandfather, a haberdasher, in Mystic, Connecticut.
Trained professionally at the London Academy of Music and Dramatic Arts, Stephen Macht is one of the best educated working actors in America today. After graduating from Dartmouth College in 1963, Macht attended Tufts University, receiving an M.A. in Drama in 1967. He later enrolled at Indiana University and obtained a Ph.D. in Dramatic Literature and Theatre History in 1970. Stephen taught at Smith College, was a tenured professor at Queens College in New York, and more recently has taught adjunct courses at UCLA and is a past Dean of Columbia College of Hollywood, in Los Angeles. He has also trained with Milton Katselas at the Beverly Hills Playhouse.
Spotted by a Universal Studios talent scout while starring at the Stratford Shakespeare Festival in Canada in 1975, Stephen Macht was signed by Universal Studios to come to Hollywood to begin his film career. Since then he has played leading men in the theater, in television movies, in series and in feature films. In 1978 Macht had a big break as the lead in "The Immigrants," a syndicated miniseries about the rise of the son of Italian immigrants in turn-of-the-century San Francisco. The following year he portrayed a Hopi in the feature film, "Nightwing." The success of the tv movie, "American Dream," led to a critically acclaimed series which cast Macht in the role of a family man who chucks the suburban life to set up home in the inner city of Chicago. The following season, he landed the role of Karen's (Michele Lee) brother on "Knots Landing."
Notable roles included playing Yonni Netanyahu, the real life Israeli officer killed while rescuing hostages in Uganda in "Raid on Entebbe," and playing Nancy McKeon's father in "Strange Voices." He was Benedict Arnold in the CBS miniseries "George Washington" and he starred as one of the survivors in "Flight 90: Disaster on the Potomac." Macht spent three seasons (1985–88) in the recurring role of David Keeler, love interest to Detective Chris Cagney (Sharon Gless), on "Cagney & Lacey." During his run on the show, he moved behind the cameras to make his directorial debut.
In 1993, Macht played Krim Aldos in an early episode, "The Siege," in "Star Trek: Deep Space Nine." This was after he was seriously considered for both the roles of Captain Picard and Commander Riker during the casting of "Star Trek: The Next Generation."
More recent credits have included playing an Austrian Jew who must be baptized along with his wife and daughter in order to escape the Nazis in "A Friendship in Vienna." He starred as a doctor helping Jane Seymour in Sidney Sheldon's syndicated miniseries "Memories of Midnight," and he co-starred as Joan Van Ark's suffering husband in "Moment of Truth: A Mother's Deception." In 1996 he did a six-month stint on the ABC daytime drama "One Life to Live" as Dr. Elliot Durban, a psychiatrist and gambling addict blackmailed into hypnotizing Victoria Lord Buchanan (Erika Slezak). Macht went on to play Trevor Lansing, attorney of organized crime boss Anthony Zacchara and father of attorney Ric Lansing, in the soap opera "General Hospital" for which Soap Opera Digest nominated him "Best Villain of 2007." He continues to add film roles and guest starring parts in television series.
He is the father of the actor, Gabriel Macht ("Suits") and singer/songwriter, Jesse Macht, and together with his wife and two other children, as well as eight grandchildren and counting, his future plans are to provide a lot of entertainment for years to come.Through the years, Macht has participated in and supported various charitable causes, serving as an Honorary Board Member of the Parkinsons Resource Organization and its Master of Ceremonies for ten years.