1 Cast of sequel playlists

Bonnie Grueson Brian Brian Rosenthal Carrie Hope Fletcher Chameleon Circuit Charlene Kaye Charlie McDonnell Darren Criss Dick Dr. Horrible's Sing-Along Blog Dylan Saunders Felicia Day Jaime Lyn Beatty Joe Joe Walker Joey Joey Richter Junior Lucius Malfoy & Snape Lucius Malfoy & the Death Eaters! Mike Hawkins & Jay Colin