• Was once on the editorial board for New York Quarterly. He has also published a number of poems in this journal.
• Alleges that he was dismissed from his role on "Law and Order" because of his threatened lawsuit against Janet Reno, who had been campaigning against violence in the media and cited his show as a major offender.
• Arrested for assault after slapping his girlfriend/manager Margaret Brychka after a fight in a Vancouver bar. [November 2000]
• In 1971, Michael stunned playgoers at the Alley Theater in Houston by suddenly stopping in the middle of a performance of "The Night Thoreau Spent in Jail," told the audience he was too tired to continue and walked off the stage. The audience went home, and Moriarty left town.
• In the 1990s attempted to enter Canadian politics by forming his own political party.
• While a student at Dartmouth College, he was a roommate of Stephen Macht.
• Loves Jerome Kern songs.
• Has appeared in two different, completely unrelated productions with Joel Gretsch about alien abduction: "Taken" (2002) (mini) and "4400, The" (2004)_ .
• Won Broadway's 1974 Tony Award as Best Actor (Dramatic) for "Find Your Way Home."
• His grandfather, George Moriarty, was a major league baseball player and then a MLB umpire.

Michael Moriarty is best known for his portrayal of Assistant District Attorney Ben Stone on television's Law & Order for which he received four Emmy nominations and a Golden Globe Award. He earlier won a Golden Globe Award for his work in the television mini-series. Holocaust.

His feature film credits include a starring role in Southern Cross, and co-starring roles in Bad Faith with Gloria Rueben, Woman Wanted with Kiefer Sutherland and Holly Hunter, and Courage Under Fire, starring Denzel Washington and Meg Ryan. Other film credits in his lengthy resume include Bang the Drum Slowly, The Last Detail and Pale Rider.