Billy (Dr. Horrible) (3 episodes, 2008)
Captain Hammer (3 episodes, 2008)
Penny (3 episodes, 2008)
Moist (3 episodes, 2008)
Bad Horse Chorus #1 (3 episodes, 2008)
Bad Horse Chorus #2 / Dead Bowie (3 episodes, 2008)
Bad Horse Chorus #3 / Moving Guy (3 episodes, 2008)
Driver / Van Driver (2 episodes, 2008)
Mayor (1 episode, 2008)
Groupie #1 (1 episode, 2008)
Groupie #2 (1 episode, 2008)
Groupie #3 (1 episode, 2008)
Newsman (1 episode, 2008)
Newswoman (1 episode, 2008)
Other Moving Guy (1 episode, 2008)
Hawaiian Shirt Guy (1 episode, 2008)
Pink Pummeler (1 episode, 2008)
Purple Pimp (1 episode, 2008)
Professor Normal (1 episode, 2008)
Fake Thomas Jefferson (1 episode, 2008)
Tie-Die (1 episode, 2008)
Fury Leika (1 episode, 2008)
Snake Bite (1 episode, 2008)
Bad Horse (1 episode, 2008)
Mayor Hankins (1 episode, 2008)
Helping Hands Volunteer (uncredited) (1 episode, 2008)
Unfeeling Woman (uncredited) (1 episode, 2008)