character - King Triton (voice)

character - Self

character - Gunther

character - Grandpa / Parasaurlophus (voice)

character - Grandpa Longneck

character - Old Gorilla (voice)

character - Grandpa (voice)

character - Grandpa (voice)

character - Grandpa (voice)

character - Self

character - Marty

character - Grandpa / Lambeosaurus (voice)

character - Old Gorilla (voice)

character - Gene Molinari

character - Grandpa (voice)

character - Dr. Arnold Bowman

character - King Triton (voice)

character - Otto Mannkusser

character - Grandpa (voice)

character - Melvin

character - Bill

character - Uncle Sid

character - Grandpa (voice)

character - Professor Von Trapp (voice) (archive footage)

character - Horst

character - Dr. Charlie Rollins

character - Grandpa (voice)

character - Benny

character - Ronald Bishop

character - Clown

character - Inspector Kemp (archive footage)

character - Mr. Tinsley

character - Judge

character - Dr. Hunterhanker (voice)

character - Magician

character - Grandpa (voice)

character - Grandpa (voice)

character - King Colbert (voice)

character - Professor Screweyes (voice)

character - Wallace Carstairs

character - Beethoven (voice)

character - Reverend Pete

character - Colyus

character - Mr. Hucklebuck

character - Sweet William (voice)

character - King Triton (voice)

character - Richard (voice)

character - M2 (voice)

character - Magician

character - Uncle Al

character - (voice)

character - Additional Voices

character - Smokey

character - Uncle Louis Burton

character - Heimlich Menudo (voice)

character - Buzz (voice)

character - Buzz / Heimlich Menudo (voice)

character - Narrator (voice)

character - King Triton (voice)

character - Mayor

character - Cmdr. Drury

character - The Camel with the Wrinkled Knees

character - Hal B. Keeler

character - Director / Dogcatcher (voice)

character - Mr. Bobrucz

character - Reverend Farrell

character - Ridley

character - Auric (voice)

character - Rabbi Baumel

character - Judge John Zimring

character - Narrator

character - Ace Atkins

character - Vultor / Walt (voice)

character - Lyndon Johnson

character - Sen. Donner

character - (segment "Tooth and Consequences")

character - A.J. Norbecker

character - Stanton Boyd

character - Lou

character - Poppa Grundov

character - Hemsley Post

character - Fetch

character - Quickclaw (voice)

character - Mr. Crisp

character - Self

character - Mark Wyndham

character - Douglas Veenhof

character - Red Hewitt

character - Sgt. Turnbuckle

character - The Coach - Principal Cleveland

character - Joseph

character - Archie

character - Lou Granite

character - Ben Fryer

character - Director

character - Woolly Bill Hitchcock

character - Mr. Kolenkhov

character - Kruse

character - Colonel Von Blasko

character - Nick

character - Paul Wrightwood

character - Max Mencken

character - Officer Callahan

character - Inspector Kemp

character - Manny Ziegler

character - Don Yorkfield

character - Former FBI Agent Will

character - Son

character - Mitchell Bernard

character - Broker

character - Lester De Ville

character - William Tarkington IV

character - Jim Sutton

character - Hugh Simon

character - Dr. Julius Roth

character - Self

character - Dr. Thursby

character - Otto Bentwood

character - Mike

character - Dr. Sam Gillison

character - Jake

character - Joe

character - Marshal

character - Les Hopkins

character - Joshua T. Albertson

character - Franz Liebkind

character - Mercer

character - Self - Guest / Various Characters

character - Harry Zarakardos

character - Dr. Pratt

character - Robert E. Sherwood

character - Clyde Hayes

character - Self