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+ Season 2
- - Sleepless (1994) ... Alex Krycek
- - Duane Barry (1994) ... Alex Krycek
- - Ascension (1994) ... Alex Krycek
- - Anasazi (1995) ... Alex Krycek
+ Season 3
- - The Blessing Way (1995) ... Alex Krycek
- - Paper Clip (1995) ... Alex Krycek
- - Piper Maru (1996) ... Alex Krycek
- - Apocrypha (1996) ... Alex Krycek
+ Season 4
+ Season 5
- - Patient X (1998) ... Alex Krycek
- - The Red and the Black (1998) ... Alex Krycek
- - The End (1998) ... Alex Krycek
+ Season 6
- - S.R. 819 (1999) ... Alex Krycek
- - Two Fathers (1999) ... Alex Krycek
- - One Son (1999) ... Alex Krycek
- - Biogenesis (1999) ... Alex Krycek
+ Season 7
- - The Sixth Extinction II: Amor Fati (1999) ... Alex Krycek
- - Requiem (2000) ... Alex Krycek
+ Season 8
- - DeadAlive (2001) ... Alex Krycek
- - Essence (2001) ... Alex Krycek
- - Existence (2001) ... Alex Krycek
+ Season 9
- - The Truth (2002) ... Alex Krycek