After attending The Ensemble drama school in Sydney and working as an actor, she moved to Los Angeles in 1987 to join the film industry.

Lunson produced commercials and music videos, and in 1997 opened her own production company based in LA, Horse Pictures.

[1] At the request of Island Records, Lian made a video for Willie Nelson in Ireland for his Spirit album.

[2] She also produced The Passion of the Christ: Songs Inspired By, an alternate soundtrack to the Mel Gibson film.

[6] Lunson made her feature film debut with Waiting for the Miracle to Come, filmed in Willie Nelson's hometown of Spicewood, Texas, and features Nelson, Charlotte Rampling and Sophie Lowe.