We don't have a biography for Dr. Charles "Chaz" Pratt, Jr. yet. Hang in there, or go ahead and contribute one.
Appearances
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Guest cast, played by Sam Jones III
- Episode 11x22: The Show Must Go On (May 19, 2005)
- Episode 12x02: Nobody's Baby (Sep 29, 2005)
- Episode 12x06: Dream House (Nov 3, 2005)
- Episode 13x05: Ames v. Kovac (Oct 19, 2006)
- Episode 13x06: Heart of the Matter (Nov 2, 2006)
- Episode 13x08: Reason to Believe (Nov 16, 2006)
- Episode 13x10: Tell Me No Secrets... (Nov 30, 2006)
- Episode 13x19: Family Business (Apr 19, 2007)
- Episode 13x20: Lights Out (Apr 26, 2007)
- Episode 14x04: Gravity (Oct 18, 2007)
- Episode 14x13: Atonement (Jan 17, 2008)
- Episode 14x19: The Chicago Way (May 15, 2008)
- Episode 15x01: Life After Death (Sep 25, 2008)
- Episode 15x06: Oh, Brother (Nov 6, 2008)
- Episode 15x09: Let It Snow (Dec 4, 2008)
- Episode 15x22: And in the End... (Apr 2, 2009)