Share The Inhumans star, who is the younger sister of Abbie Cornish, was later seen outside of the airport walking with a male friend who helped her with her suitcase. Isabelle's arrival in Sydney come ahead of the season two return of SAS Australia on Channel Seven. Edgy: The actress wore a floral maxi dress with a plunging neckline, teamed with Dr. Martens boots A little help from her friend: The Inhumans star was later seen outside of the airport walking with a male friend who helped her with her suitcase Directing staff Mark 'Billy' Billingham Jason Fox, Matthew Ollerton and Chief Instructor Ant Middleton are returning for season two of Seven's SAS Australia.