He also attended Surprise Lake Camp .
As a young boy , Matthau attended a Jewish non-profit sleepaway camp , Tranquillity Camp , where he first began acting in the shows the camp would stage on Saturday nights .
Matthau also attended Surprise Lake Camp .
As a young boy , Matthau attended a Jewish non-profit sleepaway camp , Tranquillity Camp , where he first began acting in the shows the camp would stage on Saturday nights .