Jack DeLeon

as Mr. Merry

as Brian Carlin

as Pompous Party Guest

as Major Courage (voice) (1 episode)

as Dirk Zebra

as Dark Entity / Mad Prophet / News Anchor (voice) (1 episode)

as Sam Osmond

as Jack Delman (1 episode)

as Nathan (voice)

as Building Superintendent

as Quigley

as Dwalin / Fíli / Kíli / Óin / Glóin / Ori / Nori / Bifur (voice)

as Sgt. Samuel McPherson (voice)

as Dr. Binay

as News reporter

as Herman Bessinger (1 episode)

as Denver (1 episode)

as Capt. Neldor

as Marty Morrison (8 episodes)

as Billy Zimmer (uncredited) (1 episode)