Kate Miller-Heidke, Paul Kelly lead Helpmanns presenter lineup
Others include Mitchell Butel, Robyn Archer and Susie Youssef with more to be announced.
Performers confirmed so far are Brent Hill and the kids from hit musical School of Rock, Silvie Paladino, The Australian Ballet, Victorian Opera, Bangarra Dance Theatre, The Jack Earle Jazz Trio and Swing on This.
42 awards will be held at the ceremony at Arts Centre Melbourne on Sunday, July 14 and Monday 15.
The Sunday night (aka Act 1) is an exclusive industry-only night in the atmosphere of a sophisticated jazz lounge hosted by Robyn Archer.
Act II is a black-tie gala event, saluting artistic excellence and achievement in musicals, contemporary music, comedy, opera, classical music, theatre, ballet, dance, physical theatre and cabaret.