Finn was arrested for illegal space walking and is an original member of The 100. He is romantically involved with Clarke and Raven, who he thought he would never see again, when they landed on earth.
Appearances
The 100
Main cast, played by Thomas McDonell
- Episode 1x01: Pilot (Mar 19, 2014)
- Episode 1x02: Earth Skills (Mar 26, 2014)
- Episode 1x03: Earth Kills (Apr 2, 2014)
- Episode 1x04: Murphy's Law (Apr 9, 2014)
- Episode 1x05: Twilight's Last Gleaming (Apr 16, 2014)
- Episode 1x06: His Sister's Keeper (Apr 23, 2014)
- Episode 1x07: Contents Under Pressure (Apr 30, 2014)
- Episode 1x08: Day Trip (May 7, 2014)
- Episode 1x09: Unity Day (May 14, 2014)
- Episode 1x10: I Am Become Death (May 21, 2014)
- Episode 1x11: The Calm (May 28, 2014)
- Episode 1x12: We Are Grounders - Part I (Jun 4, 2014)
- Episode 1x13: We Are Grounders - Part II (Jun 11, 2014)
- Episode 2x01: The 48 (Oct 22, 2014)
- Episode 2x02: Inclement Weather (Oct 29, 2014)
- Episode 2x03: Reapercussions (Nov 5, 2014)
- Episode 2x04: Many Happy Returns (Nov 12, 2014)
- Episode 2x05: Human Trials (Nov 19, 2014)
- Episode 2x06: Fog of War (Dec 3, 2014)
- Episode 2x07: Long Into an Abyss (Dec 10, 2014)
- Episode 2x08: Spacewalker (Dec 17, 2014)
- Episode 2x09: Remember Me (Jan 21, 2015)
Guest cast, played by Thomas McDonell
- Episode 3x10: Fallen (Apr 7, 2016)