Lost Ab Aeterno (Season 6, Episode 9)
TV-14
TV Episode | 48 min | Adventure, Drama, Fantasy

Lost

Ab Aeterno (Season 6, Episode 9)

TV-14

TV Episode | 48 min | Adventure, Drama, Fantasy

The mysteries behind Richard Alpert's arrival to the island, his immortality, and his alliance with Jacob are revealed--plus more details about the purpose of the island and the relationship between Jacob and the smoke monster.

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Cast	+ Add Cast
25 cast members

Name	Known for
Naveen Andrews Sayid Jarrah (credit only) Sayid Jarrah (credit only) See fewer	The English Patient (1996)
Nestor Carbonell Richard Alpert Richard Alpert See fewer	The Dark Knight (2008)
Henry Ian Cusick Desmond Hume (credit only) Desmond Hume (credit only) See fewer	Lost (2004)
Emilie de Ravin Claire Littleton (credit only) Claire Littleton (credit only) See fewer	Remember Me (I) (2010)
Michael Emerson Ben Linus Ben Linus See fewer	Saw (2004)
Jeff Fahey Frank Lapidus Frank Lapidus See fewer	Lost (2004)
Matthew Fox Dr. Jack Shephard Dr. Jack Shephard See fewer	Bone Tomahawk (2015)
Jorge Garcia Hugo 'Hurley' Reyes Hugo 'Hurley' Reyes See fewer	Lost (2004)
Josh Holloway James 'Sawyer' Ford (credit only) James 'Sawyer' Ford (credit only) See fewer	Lost (2004)
Daniel Dae Kim Jin-Soo Kwon (credit only) Jin-Soo Kwon (credit only) See fewer	The Divergent Series: Insurgent (2015)
Yunjin Kim Sun-Hwa Kwon Sun-Hwa Kwon See fewer	Lost (2004)
Ken Leung Miles Straume Miles Straume See fewer	Old (2021)
Evangeline Lilly Kate Austen (credit only) Kate Austen (credit only) See fewer	The Hobbit: The Desolation of Smaug (2013)
Terry O'Quinn Man in Black Man in Black See fewer	Lost (2004)
Zuleikha Robinson Ilana Verdansky Ilana Verdansky See fewer	Hidalgo (2004)
Steven Elder Jonas Whitfield Jonas Whitfield See fewer	The Winter King (2023)
Mark Pellegrino Jacob Jacob See fewer	Mulholland Drive (2001)
Mirelly Taylor Isabella Isabella See fewer	Monarch: Legacy of Monsters (2023)
Titus Welliver Man in Black Man in Black See fewer	The Town (2010)
Juan Carlos Cantu Father Suarez Father Suarez See fewer	Better Call Saul (2015)
Davo Coria Servant Servant See fewer	Off the Map (2011)
Izzy Diaz Ignacio Ignacio See fewer	Telenovela (2015)
Santiago Montone Prisoner Prisoner See fewer	Lost (2004)
J.R. Yenque Doctor (as Jose Yenque) Doctor (as Jose Yenque) See fewer	Traffic (2000)
Jonathan Mankuta Temple Other (uncredited) Temple Other (uncredited) See fewer	Lost (2004)