The Making of Dr. Horrible's Sing-Along Blog
The Making of Dr. Horrible's Sing-Along Blog
The Making of Dr. Horrible's Sing-Along Blog Online is Free. The making of 'Dr. Horrible's Sing-Along Blog'.
- Genre: Documentary, Comedy
- Country: United States
- Director: Ethan Shaftel
- Cast: Felicia Day, Nathan Fillion, Neil Patrick Harris, Simon Helberg, Maurissa Tancharoen, Jed Whedon, Joss Whedon, Zack Whedon,