Ra's al Ghul (voice)

Dr. Wrecker (voice)

Gul Madred

Thomas Eckhardt

Nergal (voice)

Aldous Gajic

Spirit of the Tree (voice)

Bob Cratchit

Heydrich

Chancellor Gorkon

Jor-El

Lord Angstrom (voice)

Admiral Boom

Master Control Program (voice) (archival audio)

The Lobe (voice)

Father

Professor Jordon Perry

Amos Hackshaw

Sandar

St. John Talbot

David Nau