Hamilton Camp

as Gizmo-Duck / Fenton Crackshell (voice)

Miriam Flynn

as Gandra Dee (voice)

June Foray

as Ma Beagle (voice)

Kathleen Freeman

as Mrs. Crackshell (voice)

Joan Gerber

as Mrs. Beakley (voice)

Chuck McCann

as Duckworth / Burger Beagle / Bouncer Beagle (voice)

Terence McGovern

as Launchpad McQuack (voice)

Hal Smith

as Gyro Gearloose / Guard Robot (voice)

Russi Taylor

as Huey / Dewey / Louie (voice)

Frank Welker

as Big Time Beagle / Megabyte Beagle / M.E.L / Country Twanging Toast Timer (voice)

Alan Young

as Scrooge McDuck / Prison Guard (voice)