Daniel Carter
Dr. Richard Powell
Kim
Allison Fraser
The Father
The Son
Mitchell
Beverly
Ben
James
Maggie
Cliff Robertson
The Mother
Transformed Powell
Sarah Powell
Transformed Sarah
Transformed Beverly (as Michael Walsh)
Sleepwalker
Disciple #1
Disciple #2
Cult Member
Dispatch
Baby Talk (voice)
Cult Member (uncredited)
Patchwork (uncredited)