The following actors are featured in Dr. Horrible's Sing-Along Blog
Neil Patrick HarrisAlso starred in: Harold & Kumar Escape from Guantanamo Bay , The Smurfs , Gone Girl |
Felicia DayAlso starred in: Skylanders Academy , Stretch Armstrong & the Flex Fighters , Lust for Love |
Nathan FillionAlso starred in: Firefly , Being Canadian , Cars 3 |
Simon HelbergAlso starred in: The Big Bang Theory Christmas , For Your Consideration , We'll Never Have Paris |
Nick Towne |
Jed Whedon |
Rob ReinisAlso starred in: In the Land of Women |