Malcolm McDowell
H. G. Wells
David Warner
Jack the Ripper - John Leslie Stevenson
Mary Steenburgen
Amy Robbins
Charles Cioffi
Lt. Mitchell
Kent Williams
Assistant
Andonia Katsaros
Mrs. Turner
Patti D'Arbanville
Shirley
James Garrett
Edwards
Keith McConnell
Harding
Leo Lewis
Richardson
Byron Webster
McKay
Karin de la Penha
Jenny
Geraldine Baron
Carol
Laurie Main
Inspector Gregson
Joseph Maher
Adams
M.C. Gainey
London Bobby
Clement von Franckenstein
Bobby (as Clement St. George)
Read Morgan
Booking Cop
Jim Haynie
1st Cop
Shelley Hack
Docent
Corey Feldman
Boy at Museum
Bob Shaw
Banker
Larry J. Blake
Guard