10. CCH Pounder in "Duane Barry"
Airdate: 10/14/1994

9. Michael McKean in "Dreamland I" (11/29/1998) and Dreamland II"
Airdates: 11/29/1998 and 12/6/1998

8. Lili Taylor in "Mind's Eye"
Airdate: 4/26/1998

7. Nick Chinlund in "Irresistible" and "Orison"
Airdates: 1/13/1995 and 1/9/2000

6. Bruce Campbell in "Terms of Endearment"
Airdate: 1/3/1999

5. Veronica Cartwright (Various Episodes)

4. Doug Hutchinson in "Squeeze" and "Tombs"
Airdates: 9/24/1993 and 4/24/1994

3. Brad Dourif in "Beyond the Sea"
Airdate: 1/7/1994

2. Peter Boyle in "Clyde Bruckman's Final Repose"
Airdate: 10/13/1995

1. Steve Railsback in "Duane Barry" and "Ascension"
Airdates: 10/14/1994 and 10/21/1994

via stars.ign