Alan Young

as Scrooge McDuck (voice)

Tony Anselmo

as Donald Duck (voice)

Russi Taylor

as Huey / Dewey / Louie / Webby / Female Reporter (voice)

Jim Cummings

as El Capitan (voice)

Peter Cullen

as Admiral Grimmitz/ Joaquin Slowly (voice)

Joan Gerber

as Mrs. Beakley / Skiddles' Mother (voice)

Chuck McCann

as Duckworth / Burger Beagle / Bouncer Beagle (voice)

Terence McGovern

as Launchpad McQuack (voice)

Patricia Parris

as Skiddles (voice)

Hal Smith

as Gyro Gearloose / Flintheart Glomgold (voice)

Frank Welker

as Bigtime Beagle / Penguin Leader (voice)

Stan Wojno

as Additional Voices