Martha Kaply — Jumanji: Open World Character Profile

Martha Kaply - Jumanji: Open World

About Martha Kaply

Shy student who discovers inner bravery through the Ruby Roundhouse avatar.

Martha Kaply — Character Profile

Alignment: Hero
Species: Human
Abilities: Board game strategy, Empathy, Quick learning

Strength: 3/10
Intelligence: 7/10
Charisma: 6/10
Morality: 9/10
Influence: 4/10

Character Facts

Played by: Morgan Turner
Appears in: Jumanji: Open World (2026)
Role: Supporting

Relationships (3)

Martha Kaply — friend — Spencer Gilpin (Alex Wolff)
Martha Kaply — Meta Game Avatar — Professor Sheldon 'Shelly' Oberon (Jack Black)
Martha becomes Oberon in the Jumanji game world
Martha Kaply — Social Friend — Bethany (Madison Iseman)
High school friends who enter Jumanji together

Explore the full interactive character relationship map of Jumanji: Open World

More characters from Jumanji: Open World

Dr. Smolder Bravestone (Dwayne Johnson)
Franklin 'Mouse' Finbar (Kevin Hart)
Professor Sheldon 'Shelly' Oberon (Jack Black)
Ruby Roundhouse (Karen Gillan)
Ming (Awkwafina)
Eddie (Danny DeVito)
Nora (Bebe Neuwirth)
Van Pelt (Bobby Cannavale)
Spencer's Mom (Marin Hinkle)
Nigel Billingsley (Rhys Darby)
Jefferson 'Seaplane' McDonough (Nick Jonas)
Spencer Gilpin (Alex Wolff)