Lou Waters

饰：Self - Anchor

Diane Berger

饰：Self - Mother of Depression Patient

Patricia Churchland

饰：Self - Neuroscientist

Nancy Domenici

饰：Self - Pete Domenici's Wife

Spencer Eth

饰：Self - Psychiatrist

Dexter Floyd

饰：Self - Patient

Frederick Goodwin

饰：Self - Director, National Institute of Mental Health

Charles Kellner

饰：Self - Medical University of South Carolina

John Kelsoe

饰：Self - U.C. San Diego Gene Researcher

Pete Domenici

饰：Himself - Senator, New Mexico

拉姆·达斯

Ram Dass

饰：Himself - Psychologist

Timothy Ferris

Timothy Ferris

饰：Himself - Scientific Observer

E. Fuller Torrey

饰：Self - National Institute of Mental Health