The following actors are featured in Dr. Horrible's Sing-Along Blog
Neil Patrick HarrisAlso starred in: The Smurfs , Cloudy With a Chance of Meatballs , The Smurfs 2 |
Felicia DayAlso starred in: The Guild , Lust for Love , Supernatural |
Nathan FillionAlso starred in: Firefly , The Rookie , Being Canadian |
Simon HelbergAlso starred in: Annette , Let Go , The Selling |
Nick Towne |
Jed Whedon |
Rob ReinisAlso starred in: In the Land of Women |