On screen
Cast
18 credited performers
Carlos Mendy
George Allan / Bob Williams
Dean Selmier
Dr. Edward Brown / Kruger
Artwork unavailable
Norma Kastel
Miss Wilkins
Sandra Mozarowsky
Leonore Johnson
Victoria Vera
Sylvia Smith
Estanis González
Collins
Ángel Menéndez
Inspector Michael Colman
Tito García
Mr. Grandfield
Cris Huerta
Lord Ferguson
Elisenda Ribas
Pamela
Artwork unavailable
Ana Farra
Character not listed
Artwork unavailable
Mario Álex
Character not listed
Antonio Almorós
Character not listed
Artwork unavailable
Oscar Penas
Character not listed
Artwork unavailable
Mónica Ulloa
Character not listed
María José Parra
Character not listed
Artwork unavailable
Amparo Solves
Character not listed
Artwork unavailable
Leandro San José
Character not listed