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. She played backpacker Kristy Earl, for which she was nominated for an Australian Film Institute award for Best Supporting Actress 2005. She also starred in the Patrick Hughes short film Signs for Schweppes opposite Nick Russell.