Movie guide
Fathom (2021): movie guide
Fathom (2021) is a Documentary running about 86 minutes. It holds a TMDB score of 5.6/10 from 21 votes. Notable cast includes Ellen Garland, Michelle Fournet. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 2021-06-16
- Runtime: 86 min
- TMDB: 5.6/10
- Genres: Documentary
Last updated: 2026-11-11 · First listed: 2021-06-16

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What is Fathom about?
Two biologists set out on an undertaking as colossal as their subjects—deciphering the complex communication of whales. Dr. Michelle Fournet and Dr. Ellen Garland journey to opposite hemispheres to uncover a culture eons older than our own.
Cast highlights
Fathom features Ellen Garland, Michelle Fournet. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 2021-06-16. Runtime: 86 minutes. TMDB score: 5.6/10 (21 votes). Genres: Documentary. Original language: en. Status: Released.
Discover Fathom on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Fathom, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Fathom?
- Fathom is listed as Documentary on TMDB.
- How long is Fathom?
- Fathom runs about 86 minutes.
- Who stars in Fathom?
- Cast highlights include Ellen Garland, Michelle Fournet.
- Does Cinema Box stream Fathom?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track Fathom?
- Open the Fathom page on cinemabox.app or install the official Cinema Box Android app from Google Play for watchlists and discovery tools.








