9 January 1976 (age 45) (
She began modelling at the age of four, and appeared in several commercials. Her first significant acting role was as Danielle in Heartbreak High. After leaving the show, she worked in London, appearing in several plays. She also appeared in a single episode of Wildside in 1997.
She was cast as the character Stephanie Scully on the TV show Neighbours, but was replaced by Carla Bonner before any of her major scenes appeared on TV. Roche later served as Bonner's stunt double in a motorbike scene.