Altered States - Cast
as Arthur Rosenberg
as Margaret Jessup
as Professor Eddie Jessup
Blair Brown
as Emily Jessup
Charles Haid
as Mason Parrish
Thaao Penghlis
as Prof. Eduardo Eccheverria
Miguel Godreau
as Primal Man
Dori Brenner
as Sylvia Rosenberg
Peter Brandon
as Alan Hobart
Charles Eagle
as The Brujo
Megan Jeffers
as Grace Jessup