Self
John Savage
Mercer (voice)
Dennis
Young Jonah (voice)
Steve Glynn
Nick Mora
Phil Fuller
David Carlyle
Elevator Passenger (uncredited)
James
Joe Goodman
Richard
Hippie Guy (uncredited)
Danny
Allan Campbell
Craig
Michael Stein
Giovanni
Oliver's Boy Friend
Charlie
Bert
Sir Henry Baskerville
Dr. Max Carson
Bruce Wines
Ernest Fielding
War Minister Qin (voice)
Kevin Wyman / Jeff Turner
Dr. Whelan
Dr. Wolenczak
Kevin Drayton
Brad Lyman
Byron
Dennis Stone
Jonathan
Capt. Larry Heath
Frankie
Ben Cady
Desmond
Will Laken
Professor Peter Plum
Dr. Swope
Tim Richie
Phillip Carlson