The Sleep Files: Altered States

Nigel Anthony

Self - Narrator (voice)

Rosalind Cartwright

Self - (as Dr Rosalind Cartwright)

Denise Corke

Self - Michel Corke's Mother

Michel Corke

Self (archive footage)

Penny Corke

Self

Floyd S. Cornelison, Jr., M.D.

Self (as Dr Floyd Cornelison)

William Hechter

Self - Defence Lawyer

Neil Kavey

Self (as Dr Neil Kavey)

Charles T. Tart

Self (as Dr Charles Tart)

Mark Mahowald

Self - (as Dr Mark Mahowald)