Page spent six seasons with the Utah Shakespeare Festival in Cedar City, becoming a Resident Artist and the Director of Development, during which time he helped oversee the creation of the new Randall L. Jones Theatre.

Subsequently, he spent several seasons with the Oregon Shakespeare Festival in Ashland, before branching out to other regional theatres and eventually moving to New York.

Page's Broadway credits include originating the role of The Grinch in Dr. Seuss' How the Grinch Stole Christmas!,[1] Scar in The Lion King and Lumière in Disney's Beauty and the Beast in the U.S. National Tours, both of which he later reprised on Broadway, Ebenezer Scrooge and Jacob Marley in A Christmas Carol at Madison Square Garden, Decius Brutus in Julius Caesar (opposite Denzel Washington), and multiple roles in The Kentucky Cycle.

Washington Post critic Peter Marks cited Page's Iago as one of five outstanding American performances of Shakespeare in his lifetime, along with Stacy Keach, Liev Schreiber, Kevin Kline, and Michael Hayden.

Page's other performances at STC include the title role in Macbeth (opposite Kelly McGillis) and Claudius in Hamlet.

He has also been seen at the Globe as Malvolio in Twelfth Night, Pogo Poole in The Pleasure of His Company, and Geoffrey Cordova in Dancing in the Dark (aka The Band Wagon) for which he also received the Craig Noel Award.

[5] Page is also the author of the one-man shows Passion's Slaves and Love Will, and the co-author (with Doug Christensen and Larry Baker) of Nothing Like the Sun.

Page created the dual role of Norman Osborn and his alter ego the Green Goblin in Julie Taymor's Broadway rock musical Spider-Man: Turn Off the Dark, which played at the Foxwoods Theatre until January 2014.

[8] Page left the show on August 5, 2012, to star in the new Broadway production of Cyrano De Bergerac which ran for a limited engagement from September to November 2012.

[14] He reprised the role of Hades on Broadway at the Walter Kerr Theatre beginning in March 2019,[15] receiving a nomination for the Tony Award for Best Featured Actor in a Musical.

[18] Page was set to reprise the role from February and March 2025 for his West End debut opposite his original Broadway cast costars.

[22][23][24][25] Page also played a role in the 2022 musical film Spirited as Jacob Marley alongside Ryan Reynolds and Will Ferrell.

Page played Satan in the Helluva Boss episode “Mastermind.” He will portray the Magic Mirror in Disney's 2025 film, Snow White.

"[29] Page also suffers from hearing loss and has been an advocate for adding closed captioning to live musicals, as well as increasing the volume soundtracks are recorded at.