Michael Patrick Thornton is an American actor and theater director. He played the character of Dr. Gabriel Fife in the ABC drama series Private Practice. He is also known for his performances on Broadway including as Lennox in the Sam Gold revival of Macbeth (2022), and Dr. Rank in the Jamie Lloyd revival of A Doll's House (2023).
Early life and education Thornton is from Jefferson Park, a neighborhood on Chicago's northwest side. He is a graduate of The School at Steppenwolf, The Second City Conservatory, and The Second City Directing Program. At 24, Thornton had two spinal strokes which paralysed him. Since then he has used a wheelchair.
Career Thornton is artistic director and co-founder of The Gift Theatre. He acted in productions including Richard III at Steppenwolf, where he became the first actor to act onstage while wearing a robotic exoskeleton. He has also portrayed Iago in Othello at The Gift Theatre and in Actors Theatre of Louisville’s 50th anniversary production of Our Town. Thornton received a Jeff Nomination for his performance in The Gift's premiere of ensemble member Andrew Hinderaker's Suicide, Incorporated. In 2005, he won the Jeff Award for Best Actor in a Solo Performance for his role in The Good Thief at The Gift Theatre.
Thornton also directs at The Gift, including the world premiere of David Rabe's Good For Otto, War of the Worlds, the Chicago Premiere of Will Eno's Oh, The Humanity (and other exclamations). As a writer, his plays have been workshopped in New York through Young Playwrights, Inc. and in Chicago through Second City.
In 2025 and 2026, Thornton appeared as Lucky in Waiting for Godot, a Jamie Lloyd production starring Keanu Reeves and Alex Winter on Broadway.
Thornton has appeared in episodes of Elementary (CBS), The Exorcist (FOX), Private Practice, The Chicago Code, Ron Howard's The Dilemma, and the independent feature film The View From Tall.
Acting credits Film Year Title Role Other notes 2003 Shut-Eye Mac 2007 Counting Backwards Joe's Father Voice 2011 The Dilemma B & V Worker 2016 The View from Tall Douglas 2026 The Last Day John Being Heumann Ed Roberts
Television Year Title Role Other notes 2009–2011 Private Practice Dr. Gabriel Fife 14 episodes (season 3–4) 2011 The Chicago Code Kent Eschelman (CPD Union Rep) "St. Valentine's Day Massacre" 2016 The Jamz Stanton 4 episodes 2016 The Exorcist Dr. John Rexroth "Chapter Six: Star of the Morning" 2017 Elementary Eli Kotite "Wrong Side of the Road" 2019 Counterpart Brody "Shadow Puppets" 2019 The Red Line Jim Evans Main role2019Magnum P.I.Charlie Owens"Payback for Beginners"2019Madam SecretaryCaptain Evan Moore4 episodes2020All RisePaul Gordon"Prelude to a Fish"2020 Away Dr. PutneyRecurring role, 5 episodes2021A Million Little ThingsRussRecurring role (season 4)202261st StreetJudge Fitzpatrick4 episodes2022Let the Right One InFather Sean3 episodes2022Chicago Party AuntStewartVoice, 3 episodes2022–2023The Good DoctorDr. Clay PorterRecurring role, 5 episodes2023 NCISJeremy Brighton"Old Wounds"2025Black RabbitTrevor Turkel"Skin Contact"
Theater +YearTitleRolePlaywright Notes2016Richard IIIRichard III William Shakespeare Steppenwolf Garage Space, Chicago2022MacbethLennox William ShakespeareLongacre Theatre, Broadway2023 A Doll's HouseDr. Rank Henrik IbsenHudson Theatre, Broadway2025Waiting for GodotLuckySamuel BeckettHudson Theatre, Broadway
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