Caitlin Ross is a fictional character portrayed by Carly McKillip in the TV series The X-Files.
In the first episode they appeared in, titled Paper Hearts (season 4), they were 7 years old.
They appear in 1 episodes out of a total of 217 aired
Episodes1
Paper Hearts
episode S4.E10 december 1996An incarcerated serial killer claims Mulder's sister was one of his many victims.