Victor Wong as Mori Tanaka "el abuelo

Mathew Botuchis as Samuel Douglas Jr. "Rocky"

Hulk Hogan as Dave Dragon

Loni Anderson as Medusa

Jim Varney as Lothar Zogg

Michael O'Laskey II as Colt

James Paul Roeske II as TumTum

Alan McRae as Sam

Margarita Franco as Jessica

Chelsey Earlywine as Amanda

Lindsay Felton as Jennifer

Syntrell Ryder as Veronica

Joseph Ackler as Doyle

Brian Anglin as Eric

Kirk Baily as Carl

Brendan O'Brien as Zed

Dwayne Carrington as C.J.

Pat Mahoney as Harry Jacobson

Dan Shadwell as Klaus

James Gale as King

Dawn Merrick as Beverley

Lawrence E. Galleoos as Gomez

Patrick Adamson as 'B' Ninja Leader

Roy Yerbey as Control Room Ninja

Denis Berkfeldt as Smithers

Holly Johnson as Blonde Woman

Rick Wiles as Harry's Butler

Jim Dirker as Helicopter Pilot

Charles Hudson as Mr. Hartman

Robert Himber as FBI Tech Andrews

Carl L. Williams as Detective Young

Jacqueline Woods as Susan Blenkenship

Craig Shugart as Dave Dragon Stunt Double

Emily Roeske as Little Girl

Michael Vecqueray as Young boy

Aimee J. Nelson as Master Blaster Ride Attendant

Craig Price as Shoot and Squirt Attendant

Ed Anderson as Lost and Found Attendant

Mary Jasionowski as Park Entrance Attendant

Jeff Krebs as Softball Attendant

Greg Backstrom as Teen #1

Kenneth Hogue as Loop Kid #1

J. Bryan Morse as New Yorker

Andrea Zondler as Computer (voice)

Anthony Fiorino as Lars

Duke Jackson as Stunt Cowboy #1

Henry Pawlak as Stunt Cowboy #2

Kim Richard Draves as Stunt Cowboy #3

Julian Brewster as (uncredited)

Ryan Gardner Smith as Medusa's Thug (uncredited)

Mark Swanson as Little Willy (uncredited)

Travis McKenna as Buelow

Phil Jordan as Lost man (uncredited)