She would later appear in BeastMaster, Stingers and The Secret Life of Us in the early 2000s before making the transition to films in 2002 alongside an all-star cast including Bryan Brown, Toni Collette, Sam Neill, Sam Worthington, and John Goodman in Dirty Deeds which saw her nominated for a Best Supporting Actor award by the Film Critics Circle of Australia.
[4] Morassi has also appeared in Darkness Falls, Travelling Light, Strange Bedfellows, Thunderstruck, The Illustrated Family Doctor, and Josh Jarman before getting her international break in the Australian box-office success Wolf Creek, which screened at the 2005 Sundance Film Festival.
[5] She played backpacker Kristy Earl, for which she was nominated for an Australian Film Institute award for Best Supporting Actress 2005.
In recent work, Morassi played whip-cracking brothel manager Natalie in Foxtel's groundbreaking drama Satisfaction and portrays sultry and infatuated criminal defence lawyer Zarah Garde-Wilson in the Nine Network TV drama series Underbelly.
Morassi plays Natalie Paxton, a nurse and single mother, who falls mysteriously ill and struggles to save her family from being destroyed.