Collins and Wallace were reported to appear on the series by Joyce Eng of TV Guide .
The episode features guest appearance from Stephen Collins , Dee Wallace and Josh Groban as Andy 's father , mother and brother , respectively .
Stephen Collins and Dee Wallace were reported to appear on the series by Joyce Eng of TV Guide .
The episode features guest appearance from Stephen Collins , Dee Wallace and Josh Groban as Andy 's father , mother and brother , respectively .