David HallerCharacter guide · Dan Stevens

Dan Stevens portrays David Haller in Legion. FX introduces David as someone whose understanding of his own experiences changes after meeting Syd. Begin with that uncertainty: the series presents his perspective before asking the viewer to decide how its extraordinary events fit together.

Keep the experience separate from the explanation

Notice what David sees, what he remembers and what another person tells him happened. Holding those viewpoints apart gives the series room to reveal its mystery without a character biography settling it in advance.

Begin with Legion season one, episode one, then follow seasons two and three in order. The series develops its own mystery through the episodes; use its title guide for context rather than jumping into a later season for an individual character.

1. 01

   Legion

   2017 · Open the title guide ↗

These are the existing catalog records, including supporting roles, cameos and other formats. This list is not a required watch order or proof that every appearance shares one continuity. Future entries may change.