Macgregor studied acting in New York City with Uta Hagen, Anthony Abeson and Tony Greco and subsequently worked for ten years as an actor in the U.S.[1] She holds a Post-Graduate Diploma in Directing from The National Institute of Dramatic Art (NIDA) in Sydney and has directed over 40 productions throughout America, Australia and New Zealand.
[1] In 2009, Macgregor was appointed Associate Artistic Director at the Court Theatre in Christchurch, New Zealand.
[4] Macgregor's productions at the Fortune Theatre include: For the Court Theatre, at The Forge, Macgregor has directed: At Court Theatre MainStage, Macgregor has directed: At Circa Theatre, Wellington, she had directed: Macgregor has played leading roles in many productions at the Court Theatre, including Lady Macbeth in Macbeth (2016), Thilde Forster in Michelanne Forster's Don't Mention Casablanca (2010), When the Rain Stops Falling by Andrew Bovell (2014) - all three directed by Ross Gumbley;[30][31][32] M'Lynn in Steel Magnolias (2017, director Gregory Cooper),[33] Annie Wilkes in Misery (2018, director Dan Bain)[34] and Fran in Things I Know To Be True by Andrew Bovell (2021, director Shane Bosher).
[37] She played Rosemary in John Patrick Shanley's Outside Mullingar (2015, Fortune Theatre, director Lisa Warrington).
[38] She has appeared in a number of film and TV shows, including Clickbait (Netflix, 2021), an eight-part thriller miniseries,[39] and This Town (2020).