Don Messick

Droopy (voice)

Charlie Adler

Dripple / Screwball Squirrel / Lightning Bolt (voice)

William Callaway

Rumpley (voice)

Teresa Ganzel

Miss Vavoom / Misty Mouse (voice)

Frank Welker

McWolf / Dweeble / Wild Mouse / Grunch the Caveman (voice)

Esper Hagen

Droopy (stemme)

Janet Waldo

Wild Mouse's Mother (voice)

Maurice LaMarche

Thundergut the Super Squirrel (voice)

Pat Fraley

The Yolker (voice)

Michael Bell

Roqueford Le Poulet (voice)

Jim Cummings

Pierre Le Poulet (voice)

Susan Blu

Auntie Snoople (voice)

Arte Johnson

Shadowman (voice)

Chuck McCann

King of the Sea (voice)

Nancy Linari

Zombina (voice)

B.J. Ward

The Mistress of Baskerville Manor (voice)

Sheryl Bernstein

Miss Mysterious (voice)

Jennifer Darling

Fifi (voice)

Rob Paulsen

Crummy McMummy (voice)

Sarah Silverman

Melody WOOO-WOOO Stardust (voice)

Jane Wiedlin

Zuzu (voice)

April Winchell

Lulu (voice)

Roger Rose

Chauncey Megabucks (voice)

Paul Winchell

Rumpley's Dad (voice)