Lost · Season 6
S06E09: Ab Aeterno
Richard Alpert's back story is shown: In 1867, he is brought to the island on the Black Rock as a slave. He makes a deal with Jacob to be his representative in exchange for immortality. In the present day, Hurley convinces him to help the candidates replace Jacob and stop the Man in Black from leaving the Island.
Steven Elder
Jonas Whitfield
Mirelly Taylor
Isabella
Mark Pellegrino
Jacob
Titus Welliver
Man in Black
Juan Carlos Cantu
Father Suárez
Davo Coria
Servant
Izzy Diaz
Ignacio
Jose Yenque
Doctor
Matthew Fox
Jack Shephard
Evangeline Lilly
Kate Austen
Agnez Mo
Kathleen Robertson
Lenny Rush
Judy Levitt
Scarlet Rose Stallone
MyAnna Buring
Johnny Flynn
Harry Lloyd
Gretchen Mol
Tom Holland
Tian Xiwei
Alan Ritchson