During the run of Dogfight, Witt started rehearsals for Cameron Mackintosh's multi-Helpmann award-winning production of Les Misérables (25th Anniversary Production) with which he toured Australia.
Some of Witt's other lead theatre roles during this time include John Hinckley in the Australian tour of Sondheim's Assassins, Danny in Baby at the Hayes Theatre, Leaf Coneybear in william Finn's The 25th Annual Putnam County Spelling Bee, and Young Buddy in the acclaimed concert production of Sondheim's Follies – opposite Philip Quast, Debra Byrne, Lisa McCune, David Hobson and Anne Wood.
This was soon followed by Witt's breakthrough role as Jack, in the 2014 Australian production of Into The Woods, at the Melbourne Arts Centre. He garnered critical acclaim for "redefining the role", being described as "a talent to watch", "terrifically crafted" and "bringing a depth of detail to Jack beyond any performance to date".
Witt then starred in the Australian premiere of Pasek and Paul's musical, Dogfight, at the Hayes Theatre, as the Vietnam marine, Bernstein. AussieTheatre named Witt's performance a highlight of 2015, stating "Witt is the kind of actor that musical theatre needs."
Witt is currently starring as Elder McKinley in the Australian premiere of The Book of Mormon at The Princess Theatre in Melbourne. The role earned him a 2017 Helpmann Award nomination.
