The Sleep Files: Altered States

A documentary about sleep paralysis

• Joseph BullmanDirector

• Nigel AnthonySelf - Narrator (voice)
• Rosalind CartwrightSelf - (as Dr Rosalind Cartwright)
• Denise CorkeSelf - Michel Corke's Mother
• Michel CorkeSelf (archive footage)
• Penny CorkeSelf
• Floyd S. Cornelison, Jr., M.D.Self (as Dr Floyd Cornelison)
• William HechterSelf - Defence Lawyer
• Neil KaveySelf (as Dr Neil Kavey)
• Charles T. TartSelf (as Dr Charles Tart)
• Mark MahowaldSelf - (as Dr Mark Mahowald)
• Ken MartinSelf (as Dr Ken Martin)
• Harvey MoldofskySelf (as Dr Harvey Moldofsky)