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Appearances
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Guest cast, played by William H. Macy
- Episode 1x01: 24 Hours (Sep 19, 1994)
- Episode 1x03: Going Home (Sep 29, 1994)
- Episode 1x04: Hit and Run (Oct 6, 1994)
- Episode 1x07: Another Perfect Day (Nov 3, 1994)
- Episode 1x10: Blizzard (Dec 8, 1994)
- Episode 1x12: Happy New Year (Jan 5, 1995)
- Episode 1x13: Luck of the Draw (Jan 12, 1995)
- Episode 1x14: Long Day's Journey (Jan 19, 1995)
- Episode 1x15: Feb 5, '95 (Feb 2, 1995)
- Episode 1x18: Sleepless in Chicago (Feb 23, 1995)
- Episode 2x01: Welcome Back, Carter! (Sep 21, 1995)
- Episode 2x02: Summer Run (Sep 28, 1995)
- Episode 2x06: Days Like This (Nov 2, 1995)
- Episode 2x07: Hell and High Water (Nov 9, 1995)
- Episode 2x08: The Secret Sharer (Nov 16, 1995)
- Episode 2x09: Home (Dec 7, 1995)
- Episode 2x12: True Lies (Jan 25, 1996)
- Episode 2x13: It's Not Easy Being Greene (Feb 1, 1996)
- Episode 2x18: A Shift in the Night (Apr 4, 1996)
- Episode 2x20: Fevers of Unknown Origin (May 2, 1996)
- Episode 2x22: John Carter, M.D. (May 16, 1996)
- Episode 3x02: Let the Games Begin (Oct 3, 1996)
- Episode 3x07: No Brain, No Gain (Nov 14, 1996)
- Episode 3x09: Ask Me No Questions, I'll Tell You No Lies (Dec 12, 1996)
- Episode 3x13: Fortune's Fools (Jan 30, 1997)
- Episode 4x01: Ambush (Sep 25, 1997)
- Episode 4x02: Something New (Oct 2, 1997)