Burkhardt will take on a role in the new musical.
The Broadway vet won a 2013 WhatsOnStage Award for his London performance as the sweet-voiced Mormon missionary.
We cleaned out our office and found some tasty forgotten delights on the cutting-room floor, including a video clip of Hedwig director Michael Mayer showing us that he just doesn't mess around.
The Frozen actress talks about in-performance pregnancy and the drawbacks of mounting the revolutionary rock musical in the days of camera phones.
Glee stars Amber Riley and Jenna Ushkowitz will also appear in the August production.
The hit rock musical will take to the Los Angeles stage this summer.