Complex sentence: On September 4, Brett Davern was added to the cast, he would be playing Hubbie Whitlow, an affable young participant who plans a escape attempt but fails which leads him to suffers grueling humiliation at the hands of sadistic guards.
Split into simpler sentences: On September 4, Brett Davern was added to the cast. He plays Hubbie Whitlow, an affable young participant whose failed escape attempt leads to grueling humiliation at the hands of sadistic guards.