Will Kuluva

as Louis Pasteur

as (voice)

as Mr. Serpico

as Dr. Wolff

as Professor Estabrook

as Mr. Thaler, Thrush Boss

as Mr. Allison

as Dr. Sordjano

as Argus Diavolos

as Bacco

as Mr. Gioia

as Julio Infante

as Ankoritis

as Lazaro (uncredited)

as "Little Guy" Decola

as Grandfather Milo • 1 eps

as Melzar • 4 eps

as Charlie Kingman • 25 eps

as Zoltan • 1 eps

as Edmund Constantine • 1 eps

as Smerlov • 1 eps

as Dr. Hans Von Etske • 1 eps

as Lars Christian • 1 eps

as Frank Genna • 1 eps

as Felix Ducotel • 1 eps

as General De Cruz • 1 eps

as Homer Doubleday • 1 eps

as Arab • 1 eps

as Stefan Bregornick • 1 eps