Characters played by Michael Rennie
Dr. Odo Warnoff
Characters played by Karin Dor
Maleva Kerstein
Characters played by Craig Hill
Inspector Tobermann
Characters played by Patty Shepard
Ilsa Sternberg
Characters played by Ángel del Pozo
Dr. Kerian
Characters played by Paul Naschy
Waldemar Daninsky
Characters played by Manuel de Blas
Count Janos de Mialhoff
Characters played by Peter Damon
Judge Sternberg
Characters played by Ferdinando Murolo
El monstruo de Farancksalan
Frankenstein Monster
Characters played by Diana Sorel
[no data]
Characters played by Gene Reyes
Tao-Tet - The Mummy
Characters played by Luciano Tacconi
[no data]
Characters played by Gela Geisler
Ilona
Characters played by Paul Cross
Dr. Don Uno
Characters played by Walter Kraus
Sekretär
Characters played by Fajda Nicol
(uncredited)