The making of 'Dr. Horrible's Sing-Along Blog'.
Neil Patrick Harris (born June 15, 1973) is an American actor, singer, writer, producer, and television host. Primari...
Jed Whedon is a writer and producer.
Kathryn Felicia Day is an American actress, known for her work as "Vi" on the TV series Buffy the Vampire Slayer and ...
Joseph Hill "Joss" Whedon (born June 23, 1964) is an American screenwriter, executive producer, director, occasional ...
Simon Maxwell Helberg (born December 9, 1980) is an American actor, comedian, and musician. He is known for playing H...
Nathan Fillion (born March 27, 1971) is a Canadian-American actor. He played the leading roles of Captain Malcolm "Ma...