Jimmy Fallon as Jimmy Fallon
Michael Papajohn as InGen Contractor
Brian Tee as Hamada
Katie McGrath
Cynthia LeBlanc as Park Vistor and Park Evacuee (uncredited)
Elton LeBlanc as Park Security and Park Evacuee (uncredited)
Fileena Bahris as Visitor (uncredited)
Jimmy Buffett as Running Park Visitor with Margarita Drinks (uncredited)
James DuMont as Hal Osterly
B.D. Wong as Henry Wu
Kevin Foster as ACU Gunner
Hélène Cardona as Innovation Center French Announcer (uncredited)
Paul Darnell as ACU Trooper (uncredited)
Eddie J. Fernandez as Paddock Worker
Jake M. Johnson as Lowery
Andy Buckley as Scott
Gary Weeks as Father of Three
Billy Smith as Security Guard (uncredited)
Matthew Cardarople as Gyrosphere Operator
Omar Sy
Courtney J. Clark as Mosasaurus Announcer (as Courtney Clark)
Johnny Otto as Biologist (uncredited)
Chad Randall as InGen Soldier
Tom Holowach as Park Visitor (uncredited)
Donna Guidry as Park Visitor (uncredited)
Kelly Washington as Zach's Girlfriend
Jay Oliver as Park Visitor (uncredited)
Tait Fletcher as InGen Soldier (uncredited)
Nick Robinson as Zach
Michelle DeVito as Upscale Visitor (uncredited)

Lauren Lapkus as Vivian
Alan D. Purwin as Helicopter Pilot (uncredited)
John L. Armijo as InGen Soldier (uncredited)
Joseph Fischer as Park Staff (uncredited)
Jesse Yarborough as Park Visitor (uncredited)
Jerome Andries as InGen Military (uncredited)
Brandon Richardson as Christopher (uncredited)
Mike McCutchen as Airport Traveler (uncredited)
Isaac Keys as Control Room Security Guard
Chloe Perrin as Italian Girl
Divine Prince Ty Emmecca as Park Visitor African Dignitary (uncredited)
Rob Fuller as InGen Military (uncredited)
Christopher Heskey as InGen Military (uncredited)
Benjamin Wood as Park Ranger (uncredited)
Inder Kumar as Park Visitor (uncredited)
Rebecca Chulew as Park Staff (uncredited)
Sue-Lynn Ansari as Park Visitor (uncredited)
Erik Thirsk as Ferry Boat Staff (uncredited)
Boriana Williams as Park Visitor (uncredited)
Timothy Eulich as ACU Trooper
Cody Daniel as Park Visitor (uncredited)
Yvonne Angulo as Italian Mother (as Yvonne Welch)
Nazeema Bartek as Monorail Tourist / Park Visitor (uncredited)
Lizeth Hutchings as Upscale Park Visitor (uncredited)
Chris Angerdina as Spectator (uncredited)
Michael D. Anglin as Upscale Park Visitor (uncredited)
William Schaff as Park Visitor (uncredited)
Jency Allison Weeks as Upscale Park Visitor (uncredited)
Brad Bird as Monorail Announcer
Colin Trevorrow as Mr. DNA (voice)