John Richardson

as Architect

as Ricco Gondoliere

as Oliver

as Captain Mike Layton

as Captain Alex Hamilton

as Lorenzo

as John

as Inspector Lavina

as Mark Burton

as Lorenzo Viotto

as Prof. Franz

as Karl Schein

as Robert Tentrees

as Killikrates

as Tumak

as Leo Vincey

as Percy

as Dr. Andrej Gorobec / Dr. Andreas Gorobec