- 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 — S4E1
Episode: Echoes
Air Date: 2017-02-01
Runtime: 43 min
Overview
Clarke and her friends struggle with how to proceed after the fate of the world is revealed.