Marty Dorset is a fictional character portrayed by Christopher Marquette in the TV series ER.
In the first episode they appeared in, titled Abby Road (season 6), they were 15 years old.
They appear in 1 episodes out of a total of 331 aired
Episodes1
Abby Road
episode S6.E12 february 2000Two boys brought in after a fight at school leads Cleo to discover that one of them has a number of bruises and infected wounds. Hathaway's obstetrics nurse, Abby Lockhart, joins the ER as a third year medical student on an ER rotation.