Roland Wybenga as Professor Alan Whitmore

Claudio Capone as Professor Alan Whitmore (voice)

Paola Rinaldi as Genevieve Weiss

Margareta von Krauss as Celia Roth

Claudia Muzii as Maria

William Berger as Mysterious Man

Stéphane Audran as Mrs. Kuhn

Vanna Busoni as Signora Kuhn (voice)

Valeriano Santinelli as

Massimiliano Pavone as

Arnaldo Dell'Acqua as Polgár Móricz

László Sipos as

Bob Holton as

Bill Bolender as Chancellor Hubbard

Attila Lőte as

John Morrison as