Guest Stars Doc Hammer voices Henchman 21 Christopher McCulloch voices Sgt. Hatred Christopher McCulloch voices Dr. Z Cristin Milioti voices Sirena Ong Christopher McCulloch voices Pirate Captain Nathan Fillion voices Brown Widow Mark Gagliardi voices Stars & Garters / Tosh Tompkins Cristin Milioti as Nurse Gary Cole voices Professor Victor Von Helping Mark Gagliardi as Loan Officer Katie Flahive voices German Woman