Stanley "Caveman" Yelnats IV

Hector "Zero" Zeroni

Louise Walker the Warden

Marion Sevillo "Mr. Sir"

Katherine "Kissin' Kate" Barlow

Sam the Onion Man

Stanley Yelnats III

Tiffany Yelnats

Dr. Pendanski

Madame Zeroni

Rex "X-Ray"

Alan "Squid"

Theodore "Armpit"

José "Magnet"

Ricky "Zigzag"

Louis "Barfbag"

Brian "Twitch"

Lump

Charles "Trout" Walker

Carla Morengo

Asst. Attorney General

Elya Yelnats

Young Warden

Stanley Yelnats II

Clyde "Sweet Feet" Livingston

Landlord

Myra Menke

Morris Menke

Igor Barkov

Judge Austin Gorg

Bus Driver / Kissed Stage Coach Driver

Texas Ranger #1

Texas Ranger #2

Trout Gang #2

Prospector

Townsman

Prosecutor