Holly has appeared on stage twice with Sydney Theatre Company. Her first role was in 2009 as Young Margaret Plantagenet in War of the Roses alongside an amazing cast including Cate Blanchett, Pam Rabe, Robert Menzies, John Gaden, Ewen Leslie, Peter Carroll and directed by Benedict Andrews. Her second role was in 2011 as The Moon/The Girl in Lorca's Blood Wedding directed by Iain Sinclair where she performed alongside Leah Purcell, Lynette Curran, Danny Adcock, Sophie Ross and Yalin Ozucelik.