Henry Desmond / Hildegard Desmond (archive footage)
Stephen Schpelnick
Dr. Zukreski
Patrick
Bill
Phil
Agent Hardigan
Mickey Lamm
Jonathan Parks
Billy - Lonely Boy
Professor William Fagen Higginson (voice)
Louis
Edwin Hadley
Date #2 (uncredited)
Howard Grant
Troy Chesterfield
Littlechap
Donald Himmel
Charles Danson
Dr. Zach Drummond
Derek Sanders
Paul DeWitt
Simon Tanner
David Day
Chris Robinson
Elliot Garner
Dr. Jerry Menzies
Robert Duff
Douglas Burdett
