Special Guest Stars Matthew Fox as Lieutenant Pete Susan Sarandon as Alaska Adams Tuppence Middleton as Penny Pimberhurst Sean Penn as Himself Bryan Brown as Warren Whistle Nicholas Hammond as Ambassador Moriconne Jessica De Gouw as Mara Buxbaum Claire Lovering as Atlantis Gaines Brandon McClelland as Gary Garry Justine Clarke as Doctor Mitchell Guest Stars Emily Adler as Indi Gaines Daniel Webber as Jason Amber Clayton as Jade Taofia Pelesasa as Guard Paulo