The Making of Dr. Horrible's Sing-Along Blog
Overview
The making of 'Dr. Horrible's Sing-Along Blog'.
Cast
Felicia Day
Self
Nathan Fillion
Self
Neil Patrick Harris
Self
Simon Helberg
Self
Maurissa Tancharoen
Self
Jed Whedon
Self
Joss Whedon
Self
Zack Whedon
Self
