- 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 — S1E6
Episode: His Sister's Keeper
Air Date: 2014-04-23
Runtime: 42 min
Overview
Bellamy, Finn and Jasper head into Grounder territory to search for Octavia, as flashbacks show the siblings' difficult childhood on the Ark. Meanwhile, Raven finds out about Clarke and Finn.