Onder andere met: William Hurt (Professor Eddie Jessup), Blair Brown (Emily Jessup), Bob Balaban (Arthur Rosenberg), Charles Haid (Mason Parrish, Professor of Endocrinology at Harvard Medical School), Thaao Penghlis (Prof. Eduardo Eccheverria at University of Mexico), Miguel Godreau (Primal Man), Dori Brenner (Sylvia Rosenberg), Peter Brandon (Alan Hobart), Charles White-Eagle (The Brujo, Hindris Indian), Drew Barrymore (Margaret Jessup), Megan Jeffers (Grace Jessup), Jack Murdock (Hector Orteco), Francis X. McCarthy (Obispo (as Frank McCarthy)), Deborah Baltzell (Schizophrenic Patient), Evan Richards (Young Rosenberg),   

Most hallucinating scientist ever!