Greg Pratt

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Gregory Pratt
Mekhi Phifer as Greg Pratt
First appearance	April 4, 2002 (8x18, "Orion in the Sky")
Last appearance	September 25, 2008 (15x01, "Life After Death")
Portrayed by	Mekhi Phifer
Duration	2002–08
In-universe information
Gender	Male
Title	Intern (2002–2003) Resident (2003–2006) Attending (2006–2008)
Occupation	Physician
Family	Angela Watkins (mother, deceased) Charles "Charlie" Pratt Sr. (father) Charles "Chaz" Pratt Jr. (paternal half-brother) Evelyn Pratt (stepmother) Jocelyn Pratt (paternal half-sister) Leon (adopted brother)

Gregory Pratt, M.D. is a fictional character from the medical drama series ER, portrayed by Mekhi Phifer.^[1] He first appears as a recurring character towards the end of the eighth season, becoming a main character from the start of the ninth season until the start of the fifteenth season.