Captain Preston is a real person portrayed by Ritchie Coster in the TV series John Adams (based on a true story).
In the first episode they appeared in, titled Join or Die (season 1), they were 40 years old.
They appear in 1 episodes out of a total of 7 aired
Episodes1
Join or Die
episode S1.E1 march 2008Firebrand Sam Adams tries to dissuade cousin John from defending redcoats in the Boston Massacre, but later John changes his mind and joins the revolutionary cause.