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Osmosis Jones

Osmosis Jones is a 2001 American live-action/animated buddy cop action comedy film directed by the Farrelly brothers and written by Marc Hyman.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Osmosis Jones is a 2001 American live-action/animated buddy cop action comedy film directed by Bobby and Peter Farrelly and written by Marc Hyman. The film follows a white blood cell police officer named Osmosis Jones (voiced by Chris Rock) who teams up with a cold pill named Drix (voiced by David Hyde Pierce) to stop a deadly virus called Thrax (voiced by Laurence Fishburne) inside his human host, Frank (played by Bill Murray).

Premise

The story is set partly inside the human body, which is depicted as a city-like world populated by cells and germs. Osmosis Jones, a white blood cell police officer, and Drix, a cold pill, work together to stop the deadly virus Thrax from killing Frank, the human host portrayed by Bill Murray.

Production

The film was directed by Bobby and Peter Farrelly and written by Marc Hyman. The live-action and animated portions were directed separately, with animation handled by Piet Kroon and Tom Sito.

Cast and characters

Chris Rock voices the title character Osmosis Jones, an anthropomorphic white blood cell police officer. Bill Murray appears in live-action as Frank, the human host. The voice cast also includes Laurence Fishburne as Thrax, the virus antagonist; David Hyde Pierce as Drix, a cold pill; Brandy Norwood; and William Shatner.

Release and reception

Osmosis Jones was released in 2001 and received a PG rating. Reviews and listings describe it as a family-oriented comedy with gross-out humour and a science-fiction premise.

Key facts

  • The film combines live-action scenes with animated sequences.
  • Chris Rock voices Osmosis Jones, an anthropomorphic white blood cell police officer.
  • Bill Murray plays Frank, the live-action human host inside whose body much of the story takes place.
  • Laurence Fishburne voices the virus antagonist Thrax.
  • David Hyde Pierce voices Drix, a cold pill who helps Jones.
  • The film was released in 2001 and is rated PG.

Frequently asked questions

What is Osmosis Jones?
It is a 2001 American live-action/animated comedy film about a white blood cell police officer trying to stop a virus inside a human body.
Who directed Osmosis Jones?
The film was directed by Bobby and Peter Farrelly.
Who voices Osmosis Jones?
Chris Rock voices Osmosis Jones.
Who plays Frank?
Bill Murray plays Frank, the human host whose body is the setting for much of the film.
What is the film about?
Jones and a cold pill named Drix try to stop the deadly virus Thrax from harming Frank.
When was Osmosis Jones released?
It was released in 2001.

References

  1. Wikipedia — https://en.wikipedia.org/wiki/Osmosis_Jones
    Supports: Basic film identification, year, directors, cast, and premise
  2. Common Sense Media — https://www.commonsensemedia.org/movie-reviews/osmosis-jones
    Supports: PG rating, release date, runtime, and family-oriented description
  3. Rotten Tomatoes — https://www.rottentomatoes.com/m/osmosis_jones
    Supports: Synopsis, genre, and PG rating
  4. IMDb — https://www.imdb.com/title/tt0181739/
    Supports: Premise, cast, and character names