Karen Gillanscreen performanceKaren Gillan plays Ruby Roundhouse in Jumanji: Open World.
1 linked movie guide in this sequence
FILM POSTER · Jumanji: Open WorldJumanji: Open World (2026)
Ruby Roundhouse
Film guide, starting point, and performer.
Ruby Roundhouse appears in Jumanji: Open World (2026), portrayed by Karen Gillan. This page focuses on that specific screen performance and the movie around it.
Film guide · 1 film · 2026 · 1 performerTHE MOVIE
Ruby Roundhouse on screen
One focused screen portrayal, with the performer and movie linked directly below.
Film guide · 1 film · 2026
About the scores
Scores shown are MoviHero movie-guide scores. Missing scores stay blank, and tied top scores remain tied.
- 01MoviHero score66/100MAYBE
THE PERFORMANCE
Who plays Ruby Roundhouse?
Meet the performer and open their full MoviHero profile. Coverage below refers to linked movie guides in this sequence.
Karen Gillanscreen performanceWHY THE CHARACTER WORKS
What defines Ruby Roundhouse
Karen Gillan’s performance in Jumanji: Open World is the center of this character page. With only one film in the current screen path, the useful comparison is between the character, the performer and the role that film asks them to play—not an invented larger timeline.
WHO TO EXPLORE NEXT
Characters connected on screen
Keep moving through the same films and screen world with a character who shares meaningful movie history.
Dr. Smolder Bravestone
Ruby Roundhouse and Dr. Smolder Bravestone both appear in Jumanji: Open World.
See Jumanji: Open WorldFranklin 'Mouse' Finbar
Ruby Roundhouse and Franklin 'Mouse' Finbar both appear in Jumanji: Open World.
See Jumanji: Open World