Recurring characters who returned include: Jack and Claire's father, Dr. Christian Shephard (John Terry), wealthy industrialist and former Other Charles Widmore (Alan Dale), Desmond's wife Penny Widmore (Sonya Walger), former Other Eloise Hawking (Fionnula Flanagan), Locke's ex-girlfriend, Helen Norwood (Katey Sagal), Hurley's former boss, Randy Nations (Billy Ray Gallion), mysterious Flight 316 passenger Bram (Brad William Henke), Sayid's wife, Nadia (Andrea Gabriel), deceased Frenchwoman Danielle Rousseau (Mira Furlan), science teacher Leslie Arzt (Daniel Roebuck), the Others' doctor Ethan Rom (William Mapother), Ben Linus' father Roger (Jon Gries), mercenaries Martin Keamy (Kevin Durand) and Omar (Anthony Azizi), and Vincent, a dog who survived the crash of Flight 815 and lives on the island. Mark Pellegrino returns in his role as Jacob, the mysterious figure in charge of the island, while Titus Welliver also reprises his role as the mysterious unnamed character, known only as "The Man in Black", who appeared to be antagonistic to him in the season 5 finale. L. Scott Caldwell and Sam Anderson returned in their roles as Rose and Bernard respectively, as does Kimberley Joseph who plays 815 stewardess-turned-Other Cindy. Also, Academy Award-winner Fisher Stevens returns as communications officer George Minkowski from the first few episodes of the fourth season in the eleventh episode. Kevin Tighe returns as Anthony Cooper, Locke's father.