13 Year Old Masters is a fictional character portrayed by Nolan Gross in the TV series Masters of Sex.
In the first episode they appeared in, titled Full Ten Count (season 3), they were 12 years old.
They appear in 1 episodes out of a total of 46 aired
Episodes1
Full Ten Count
episode S3.E12 september 2015On the heels of their disastrous dinner in New York, Masters and Johnson return to find their life's work in jeopardy while under the scrutiny of the press and their publisher in preparation for their new book.