Is Shawn Mendes in The 100 Season 3

Short answer

Shawn Mendes is not in The 100 Season 3. He has not appeared in any episode of the show. Mendes is a singer-songwriter, and The 100 is a sci‑fi drama series with a distinct cast led by Eliza Taylor, Bob Morley, and Richard Harmon. No episode credits or promotional materials list Shawn Mendes as a guest star or recurring cast member.

The 100 Season 3 cast overview

The 100 Season 3 (2016) returns to the core survivors on Earth and in space, focusing on leadership conflicts, Grounders, and the looming threat of the Second Dawn bunker. The main ensemble includes:

Guest stars and recurring characters in Season 3 include Adina Porter (Indra), Steven Culp (Bill Cadogan), and Chelsey Reist as Harper McIntyre. Shawn Mendes is not listed among cast members or guest stars in any official episode guide.

Where might the confusion come from

Shawn Mendes is a globally recognized artist known for hits such as "Stitches" and "There's Nothing Holdin' Me Back." Occasionally, news outlets or social posts will pair familiar names with popular shows, leading to speculative headlines. In the case of The 100, his name may have appeared in click‑bait style prompts or in lists asking which musicians might guest star, rather than reflecting actual casting. No credible production announcements or casting calls reference Shawn Mendes for The 100 at any point.

Official sources to verify cast information

To confirm who appears in a given season, rely on authoritative references. These include The CW’s press site, The 100’s IMDbPro page, studio press releases, and the showrunner’s public notes. Reputable entertainment databases, such as The Movie Database (TMDB) and Wikipedia, also maintain episode-specific cast lists that are continuously updated based on verifiable credits.

• The CW / Warner Bros. press releases for The 100 Season 3
• IMDb and TMDB episode and cast pages
• Showrunner interviews and Comic‑Con panels
• Official cast listings on The100TheSeries.com (production‑adjacent fan resources)

Across these sources, Shawn Mendes is not recorded as having any involvement in The 100.

Why this rumor persists and how to spot it

Rumors linking musicians to TV shows often spread through:

• Click‑bait headlines that ask "Which singer would you like to see on The 100?" presented as fact.
• Social media posts that splice names and shows without evidence.
• Misinterpreted promotional teasers that use similar-sounding names or lookalike images.

Always check primary casting lists and production news before sharing. When in doubt, look for multiple independent, reputable sources that cite casting directors or official announcements.

Key facts at a glance