Dr. Horrible's Sing-Along Blog

Neil Patrick Harris

Doctor Horrible

Nathan Fillion

Captain Hammer

Felicia Day

Penny

Simon Helberg

Moist

Nick Towne

Bad Horse Chorus #1

Jed Whedon

Bad Horse Chorus #2

Rob Reinis

Bad Horse Chorus #3

Otto Michael Penzato

Driver

Richard Partlow

Mayor

Maurissa Tancharoen

Groupie #1