Ηθοποιοί επεισοδίου
Neil Patrick HarrisDr. Horrible
Νέιθαν ΦίλιονCaptain Hammer
Felicia DayPenny
Σάιμον ΧέλμπεργκMoist
Marti NoxonNewswoman
Jed WhedonBad Horse Chorus #2 / Dead Bowie
Rob ReinisBad Horse Chorus #3 / Moving Guy
★
Otto Michael PenzatoDriver
★
Richard PartlowMayor
Maurissa TancharoenGroupie #1
★
Stacy ShirkGroupie #2
Steve BergGroupie #3
Lance LanfearHawaiian Shirt Guy
★
Michael BoretzOther Moving Guy