Michael Winslow

~ as ~

Plutem (voice)

Darryl Hickman

~ as ~

Kid Comet (voice)

Frank Welker

~ as ~

Cosmo / Blip (voice)

Michael Bell

~ as ~

Space Ace (voice)

Lennie Weinrib

~ as ~

Dipper (voice)

Don Messick

~ as ~

Astro / Gloop / Gleep (voice)

Gary Owens

~ as ~

Space Ghost (voice)

B.J. Ward

~ as ~

Elektra (voice)

Alexandra Stewart

~ as ~

Jan (voice)

Virginia Gregg

~ as ~

Tara (voice)