Before they made history playing a sold-out show at Madison Square Garden, “Dimension 20” dungeon master Brennan Lee Mulligan and the intrepid heroes (Lou Wilson, Brian Murphy, Siobhan ...

The Dungeons-and-Dragons-actual-play-esque show will feature game master Brennan Lee Mulligan and his cast of “intrepid heroes”: Ally Beardsley, Brian “Murph” Murphy, Emily Axford ...