Jacob is a fictional character portrayed by Mark Pellegrino in the TV series Lost.
In the first episode they appeared in, titled The Incident: Part 1 (season 5), they were 44 years old.
They appear in 8 episodes out of a total of 121 aired
Episodes8
The Incident: Part 1
episode S5.E16 may 2009Jack's decision to put a plan in action in order to set things right on the island is met with some strong resistance by those close to him, and Locke assigns Ben a difficult task.- 44min
The Incident: Part 2
episode S5.E17 may 2009Jack's decision to put a plan in action in order to set things right on the island is met with some strong resistance by those close to him, and Locke assigns Ben a difficult task.- 44min
LA X: Part 1
episode S6.E1 february 2010A parallel universe, in which the crash never happened, is revealed as an aftermath of the bomb's detonation. Meanwhile, Sawyer blames Jack for the loss of Juliet and the true identity of the monster is revealed.- 44min
The Substitute
episode S6.E4 february 2010Locke goes in search of help to further his cause. Kate finds herself on the run, while Jack is tasked with something that could put a friend's life at risk.- 44min
Lighthouse
episode S6.E5 february 2010Hurley must convince Jack to accompany him on an unspecified mission, and Jin stumbles across an old friend.- 45min
Ab Aeterno
episode S6.E9 march 2010Richard Alpert faces a difficult choice.- 49min
Across the Sea
episode S6.E15 may 2010The motives of John Locke are finally explained.- 44min
What They Died For
episode S6.E16 may 2010While Locke devises a new strategy, Jack's group searches for Desmond.- 44min
- The Incident: Part 1
- The Incident: Part 2
- LA X: Part 1
- The Substitute
- Lighthouse
- Ab Aeterno
- Across the Sea
- What They Died For