Michael Boretz: Michael Boretz. Producer: Dr. Horrible's Sing-Along Blog. Michael Boretz is known for Dr. Horrible's Sing-Along Blog (2008), Serenity (2005) and Rollerball (2002).
Known For: Dr. Horrible's Sing-Along Blog (Producer), Serenity (Additional Crew(Mr. Whedon)), Rollerball (Additional Crew), Identity (Additional Crew)