Carl is a fictional character portrayed by Eric Satterberg in the TV series Castle.
They appear in 1 episodes out of a total of 173 aired
Episodes1
What Lies Beneath
episode S8.E4 october 2015When Castle's idol, a famously reclusive author, turns up dead, Castle is determined to solve his hero's murder. But as he and Beckett dig deeper, they discover that truth is stranger than fiction.