Gretchen Morgan is a fictional character from the American television series Prison Break. She is played by Jodi Lyn O'Keefe. The character was introduced to the series as a regular in the premiere episode of the third season of the series. She is a merciless and an impatient woman who performs swift executions without hesitation if there is any obstacle to her plan. She also uses beheading as a form of execution and was going to attempt it on L.J. Burrows.