On screen
Cast
12 credited performers
Christopher Lee
On-Screen Narrator
Artwork unavailable
Larry Justin
Mason Harrue
Artwork unavailable
J. Arthur Craig
Detective Wexler
Artwork unavailable
Bob Mead
Phil Jones
Artwork unavailable
James Habif
Professor Cantrell
Artwork unavailable
Robert Clark
Sean Allen
Artwork unavailable
Doug Senior
Dirk Kramer
Artwork unavailable
Alisa Beaton
Darlene
Paul Kelleher
Detective Shaye
Maria Arnold
Patty
Artwork unavailable
Guerdon Trueblood
Boy in Mask
James Bagdonas
Character not listed