- Eliza Taylor (Clarke Griffin)
- Bob Morley (Bellamy Blake)
- Lindsey Morgan (Raven Reyes)
- Marie Avgeropoulos (Octavia Blake)
- Richard Harmon (John Murphy)
- Tasya Teles (Echo)
- JR Bourne (Russell Lightbourne)
- Shannon Kook (Jordan Green)
- Chuku Modu (Gabriel Santiago)
- Shelby Flannery (Hope Diyoza)
The 100 — S1E12
Episode: We Are Grounders (1)
Air Date: 2014-06-04
Runtime: 43 min
Overview
Clarke and Finn come face to face with a new enemy after Lincoln rescues them from Anya, while Bellamy, Raven, Octavia and Jasper deal with a vengeful Murphy. On the Ark, Jaha makes a plan to try and get to Earth.