Jeff Bergman
— Fred Flintstone / Parking Guard / Vendor (voice)
Tress MacNeille
— Wilma Flintstone / Woman Scream #2 (voice)
Kevin Michael Richardson
— Barney Rubble / Hector / Jewel Guard (voice)
Grey DeLisle
— Betty Rubble / Mystery Woman (voice)
Jeff Bennett
— Villain / Xavier / Announcer / Waiter (voice)
Frank Welker
— Dino / Monkey / Elevator Guy (voice)
Tom Kenny
— Bellboy / Vendor / Bowling Announcer (voice)
Zelda Rubinstein
— Psychiatrist (voice)
Joseph L. Altruda
— Stoney Altruda (voice)
John Kassir
— Concerge / Bartender / Border Guard (voice)
John Stephenson
— Mr. Slate (voice)
Oren Waters
— Singer (baritone) (voice)
Maxi Anderson
— Singer (soprano) (voice)
Carmen Twillie
— Singer (tenor) (voice)
Wil Wheaton
— Singer (bass) (voice)
Mark Mangini
— Dino (voice)