Special Guest Stars Finn Wittrock as Tristan Duffy Guest Stars Lennon Henry as Holden Lowe Mädchen Amick as Mrs. Ellison Jessica Lu as Babe Darren Criss as Justin Robert Knepper as The Lieutenant Mouzam Makkar as Nurse Leena Kristen Ariza as Mrs. Pritchard Co Starring Jessica Belkin as Wren Emmory McSteller as Vampire Boy #2 / Bobby Anton Starkman as Max Ellison Cannon McSteller as Vampire Boy #1 / Walter Ava Acres as Madeline Thomas Barbusca as Jimmy Tom Virtue as Principal Johnson Exie Booker as Commander Jill Lynne Johnson as Jill Bill Coelius as Franklin Benton Jennings as Graves Granville Ames as Detective Ted Mattison as Carver Yolanda Snowball as ICU Nurse Joseph Barone as Officer Laura Black as Tracy Summera Howell as Policewoman Walker Mintz as Son Annie H. Savage as Patty Robert Stephenson as Madeline's Father