Jane Badler Diana Actor June Chadwick Lydia Actor Jennifer Cooke Elizabeth Actor Robert Englund Willie Actor Faye Grant Dr. Julie Parrish Actor Marc Singer Mike Donovan Actor Jeff Yagher Kyle Bates Actor Judson Scott Lt. James Guest Star Frank Ashmore Martin, Philip Guest Star John Calvin Dr. Stephen Maitland Guest Star Peter Elbling Oswald Guest Star Ken Olandt Nigel Guest Star Derek Barton Jonathan Guest Star Deborah Gates Thelma Guest Star Lane Smith Nathan Bates Actor Blair Tefkin Robin Maxwell Actor Michael Ironside Ham Tyler Actor Nicky Katt Sean Donovan Actor Aki Aleong Mr. Chiang Actor Duncan Regehr Charles Actor Earl Bellamy Director