Woody Allen
Role: Leonard Zelig
Mia Farrow
Role: Dr. Eudora Nesbitt Fletcher
Patrick Horgan
Role: The Narrator (voice)
John Buckwalter
Role: Dr. Sindell
Marvin Chatinover
Role: Glandular Diagnosis Doctor
Stanley Swerdlow
Role: Mexican Food Doctor
Paul Nevens
Role: Dr. Birsky
Howard Erskine
Role: Hypodermic Doctor
Richard Whiting
Role: Other Doctor
Ralph Bell
Role: Other Doctor
Will Hussung
Role: Other Doctor
Gale Hansen
Role: Freshman #1
Michael Jeter
Role: Freshman #2
Peter McRobbie
Role: Workers Rally Speaker
Richard Litt
Role: Charles Koslow
Mary Louise Wilson
Role: Sister Ruth
Alice Beardsley
Role: Telephone Operator
Paula Trueman
Role: Woman on Telephone
Garrett M. Brown
Role: Actor Zelig
Marianne Tatum
Role: Actress Fletcher
Charles Denny
Role: Actor Doctor
Michael Kell
Role: Actor Koslow
John Rothman
Role: Paul Deghuee
Deborah Rush
Role: Lita Fox
Stanley Simmonds
Role: Lita's Lawyer
Robert Berger
Role: Zelig's Lawyer
Jeanine Jackson
Role: Helen Gray
John Doumanian
Role: Greek Waiter
Willy Holt
Role: Rally Chancellor
Susan Sontag
Role: Susan Sontag - Contemporary Interviews
Saul Bellow
Role: Saul Bellow - Contemporary Interviews
Irving Howe
Role: Irving Howe - Contemporary Interviews
Marshall Cole Sr.
Role: Calvin Turner - Contemporary Interviews
Ellen Garrison
Role: Older Dr. Fletcher - Contemporary Interviews
Jack Cannon
Role: Mike Geibell - Contemporary Interviews
Theodore R. Smits
Role: Ted Bierbauer - Contemporary Interviews
Sherman Loud
Role: Older Paul Deghuee - Contemporary Interviews
Elizabeth Rothschild
Role: Older Sister Meryl Fletcher - Contemporary Interviews
Kuno Sponholz
Role: Oswald Pohl - Contemporary Interviews
Ed Herlihy
Role: Pathe News Announcer (voice)
Dwight Weist
Role: Hearst Metrotone Announcer (voice)
George Hamlin
Role: Experimental Drugs Doctor
Robert Iglesia
Role: Man in Barber Chair
Eli Resnick
Role: Man in Park
Edward McPhillips
Role: Scotsman
Sol Lomita
Role: Martin Geist
Ed Lane
Role: Man on Telephone
Sharon Ferrol-Young
Role: Miss Baker
Dimitri Vassilopoulos
Role: Martinez
Stephanie Farrow
Role: Sister Meryl
Francis Beggins
Role: City Hall Speaker
Jean Trowbridge
Role: Dr. Fletcher's Mother
Ken Chapin
Role: On-Camera Interviewer
Gerald Klein
Role: Hearst Guest
Vincent Jerman-Jerosa
Role: Hearst Guest
Erma Campbell
Role: Zelig's Wife
Anton Marco
Role: Wrist Victim
Louise Deitch
Role: House-Painting Victim
Bernice Dowis
Role: Vilification Woman
Bernie Herold
Role: Carter Dean
Elizabeth Kaitan
Role: German Girl (uncredited)
Arthur Anderson
Role: Other Doctor (uncredited)
Bubba Dean Rambo
Role: Charleston Dancer (uncredited)
Kim Johnston Ulrich
Role: Beauty Contestant (uncredited)
Michael Blevins
Role: Lizard Dancer (uncredited)
Jon Hayden
Role: Reporter (uncredited)
Mae Questel
Role: Helen Kane (voice) (uncredited)
Ruth Leon Weiman
Role: Mother of a Graduate (uncredited)
Tug Wilson
Role: Police Officer (uncredited)