Dr. Horrible's Sing-Along Blog Act III (Season 1, Episode 3)
Not Rated
TV Episode | 16 min | Short, Comedy, Musical

Dr. Horrible's Sing-Along Blog

Act III (Season 1, Episode 3)

Not Rated

TV Episode | 16 min | Short, Comedy, Musical

Dr. Horrible invents a death ray which he plans to use on the superhero at the unveiling of a new Captain Hammer statue. Penny is torn between the hero and the villain, realizing that she may have feelings for Horrible.

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Cast	+ Add Cast
26 cast members

Name	Known for
Neil Patrick Harris Billy (Dr. Horrible) Billy (Dr. Horrible) See fewer	How I Met Your Mother (2005)
Nathan Fillion Captain Hammer Captain Hammer See fewer	Castle (2009)
Felicia Day Penny Penny See fewer	The Official The Lord of the Rings: The Rings of Power Podcast (2022)
Simon Helberg Moist Moist See fewer	Florence Foster Jenkins (2016)
Nick Towne Bad Horse Chorus #1 Bad Horse Chorus #1 See fewer	The Invention of Lying (2009)
Jed Whedon Bad Horse Chorus #2 / Dead Bowie Bad Horse Chorus #2 / Dead Bowie See fewer	Dr. Horrible's Sing-Along Blog (2008)
Rob Reinis Bad Horse Chorus #3 / Moving Guy (as Robert Reinis) Bad Horse Chorus #3 / Moving Guy (as Robert Reinis) See fewer	In the Land of Women (2007)
Richard Partlow Mayor Mayor See fewer	Battlestar Galactica (2004)
Maurissa Tancharoen Groupie #1 Groupie #1 See fewer	Agents of S.H.I.E.L.D. (2013)
Stacy Shirk Groupie #2 Groupie #2 See fewer	Dr. Horrible's Sing-Along Blog (2008)
Steve Berg Groupie #3 Groupie #3 See fewer	Skinwalker Ranch (2013)
David Fury Newsman Newsman See fewer	Buffy the Vampire Slayer (1997)
Marti Noxon Newswoman Newswoman See fewer	Buffy the Vampire Slayer (1997)
Michael Boretz Other Moving Guy Other Moving Guy See fewer	Dr. Horrible's Sing-Along Blog (2008)
Lance W. Lanfear Hawaiian Shirt Guy Hawaiian Shirt Guy See fewer	Tour de Pharmacy (2017)
Otto Michael Penzato Driver (as Otto Penzato) Driver (as Otto Penzato) See fewer	The Santa Clauses (2022)
Michael G. Canaan Pink Pummeler (as Michael Canaan) Pink Pummeler (as Michael Canaan) See fewer	Dr. Horrible's Sing-Along Blog (2008)
Jonathan Reilly Purple Pimp Purple Pimp See fewer	Dr. Horrible's Sing-Along Blog (2008)
Douglas Petrie Professor Normal (as Doug Petrie) Professor Normal (as Doug Petrie) See fewer	Buffy the Vampire Slayer (1997)
Drew Goddard Fake Thomas Jefferson Fake Thomas Jefferson See fewer	The Martian (2015)
Kate Danson Tie-Die Tie-Die See fewer	Everything I Ever Wanted to Tell My Daughter About Men (2021)
Liz Vassey Fury Leika Fury Leika See fewer	The Tick (2001)
Athena Demos Snake Bite Snake Bite See fewer	Dr. Horrible's Sing-Along Blog (2008)
Dobber Bad Horse Bad Horse See fewer	Dr. Horrible's Sing-Along Blog (2008)
Dr. Horrible's Sing Along Blog Mayor Hankins Mayor Hankins See fewer	Dr. Horrible's Sing-Along Blog (2008)
Norma Jean Helping Hands Volunteer (uncredited) Helping Hands Volunteer (uncredited) See fewer	Killers of the Flower Moon (2023)