Joshua grew up in Queens, NYC. He attended Stuyvesant H.S. - the top academic public high school in the country , and was a baseball player there and in college. He has appeared on over 3 dozen television shows, a dozen films and has numerous stage credits (including multiple nominations for his stage work). He has recurred in numerous shows including HBO's The Night of... & The Pacific (winner, 8 Emmy's). He played Agent Tork on CBS's hit The Mentalist, and Sully, the lovable slob on ABC's hit Castle.