Guest Stars Hamish Linklater as Clark DeBussy David Selby as Brubaker Co Starring Quinton Boisclair as Devil with the Yellow Eyes Mackenzie Gray as The Eye Tobias Austen as David (Infant) Noah Hegglin Houben as David (Infant) Luke Roessler as David (6-8 yrs) Brad Mann as Rudy Ellie Araiza as Philly Kyja Sutton as Amy (8-10 yrs) Alex Mulgrew as David (16 yrs) Jacob Hoppenbrouwer as David (10-12 yrs) David Ferry as Dr. Kissinger Eugene Wong as The Man in All His Clothes Christian Convery as David (4 yrs) Stephanie Van Dyck as Skeletal Fat Lady Paul Belsito as The Man Who Hides Sebastian Billingsley-Rodriguez as David (Toddler) Maddie Phillips as Jr. Prom Date (Crying) Charles Jarman as Cube Police #1 Edwin Perez as Patient Dancer #4 Jesse Reid as Cube Tech #2 June B. Wilde as Science Teacher James Wilson as School Principal Matt Hamilton as Ben Simon Chin as Clockworks Orderly Ese Atawo as Day Room Duty Nurse Stephanie Lavigne as Patient Dancer #7 Monica Gutierrez as Patient Dancer #6 Eric Malapad as The Man Who Strokes His Beard Mandy Rushton as Patient Dancer #5 Karina Ho as Patient Dancer #3 Sabine Uwimambe as Patient Dancer #2 Espirito Santo Mauricio as Woman Who Nurses Belinda Sobie as Patient Dancer #1 Jonathan Wu as Trick or Treater #2 Mathias Ty Parto as Trick or Treater #1 Shimon Boriskov as Jr. Prom Guy (Bloody Nose) Matthew Afonso as Monitor Room Technician Georgia Swinton as Woman Who Self-Argues Sidartha Murjani as Wild Rusty Combs Gustavo Ferman as Risotto Dude Mike Azevado as "Renal Failure" Alvarez Peter Chao as Cube Tech #1 Tim Bissett as Psychiatrist