Mia Farrow
Dr. Eudora Nesbitt Fletcher
Patrick Horgan
The Narrator (voice)
John Buckwalter
Dr. Sindell
Marvin Chatinover
Glandular Diagnosis Doctor
Stanley Swerdlow
Mexican Food Doctor
Howard Erskine
Hypodermic Doctor
Richard Whiting
Other Doctor
Peter McRobbie
Workers Rally Speaker
Richard Litt
Charles Koslow
Mary Louise Wilson
Sister Ruth
Alice Beardsley
Telephone Operator
Paula Trueman
Woman on Telephone
Garrett M. Brown
Actor Zelig
Marianne Tatum
Actress Fletcher
Charles Denny
Actor Doctor
Stanley Simmonds
Lita's Lawyer
Robert Berger
Zelig's Lawyer
Jeanine Jackson
Helen Gray
John Doumanian
Greek Waiter
Willy Holt
Rally Chancellor
Susan Sontag
Susan Sontag - Contemporary Interviews
Saul Bellow
Saul Bellow - Contemporary Interviews
Irving Howe
Irving Howe - Contemporary Interviews
Marshall Cole Sr.
Calvin Turner - Contemporary Interviews
Ellen Garrison
Older Dr. Fletcher - Contemporary Interviews
Jack Cannon
Mike Geibell - Contemporary Interviews
Theodore R. Smits
Ted Bierbauer - Contemporary Interviews
Sherman Loud
Older Paul Deghuee - Contemporary Interviews
Elizabeth Rothschild
Older Sister Meryl Fletcher - Contemporary Interviews
Kuno Sponholz
Oswald Pohl - Contemporary Interviews
Ed Herlihy
Pathe News Announcer (voice)
Dwight Weist
Hearst Metrotone Announcer (voice)
George Hamlin
Experimental Drugs Doctor
Robert Iglesia
Man in Barber Chair
Edward McPhillips
Scotsman
Sharon Ferrol-Young
Miss Baker
Dimitri Vassilopoulos
Martinez
Stephanie Farrow
Sister Meryl
Francis Beggins
City Hall Speaker
Jean Trowbridge
Dr. Fletcher's Mother
Ken Chapin
On-Camera Interviewer
Vincent Jerman-Jerosa
Hearst Guest
Erma Campbell
Zelig's Wife
Louise Deitch
House-Painting Victim
Bernice Dowis
Vilification Woman
Elizabeth Kaitan
German Girl (uncredited)
Arthur Anderson
Other Doctor (uncredited)
Bubba Dean Rambo
Charleston Dancer (uncredited)
Kim Johnston Ulrich
Beauty Contestant (uncredited)
Michael Blevins
Lizard Dancer (uncredited)
Jon Hayden
Reporter (uncredited)
Mae Questel
Helen Kane (voice) (uncredited)
Ruth Leon Weiman
Mother of a Graduate (uncredited)
Tug Wilson
Police Officer (uncredited)