- Director
- Sidney Lumet
- Producer
- Burtt Harris
- Producer
- Elliot Kastner
- Assoc. Producer
- Jennifer M. Ogden
- Writer
- Larry Grusin
- Editor
- Andrew Mondshein
- Musical Composer
- Cy Coleman
- Production Designer
- Philip Rosenberg
- Set Decorator
- John Godfrey
- Set Decorator
- Philip Smith
- Costumes
- Anna Hill Johnstone
- Cinematographer
- Andrzej Bartkowiak (Technicolor)
- Anne Bancroft
- Estelle Rolfe
- Ron Silver
- Gilbert Rolfe
- Carrie Fisher
- Lisa Rolfe
- Catherine Hicks
- Jane Mortimer
- Steven Hill
- Walter Rolfe
- Howard da Silva
- Angelo Dokakis
- Dorothy Loudon
- Sonya Apollinar
- Harvey Fierstein
- Bernie Whitlock
- Hermione Gingold
- Elizabeth Rennick
- Richard B. Shull
- Shepard Plotkin
- Michael Lombard
- Mr. Morganelli
- Ed Crowley
- Mr. Goldhammer
- Alice Spivak
- Claire Rolfe
- Maurice Sterman
- Dr. Cohen
- Antonia Rey
- Puerto Rican Nurse
- Court Miller
- "Romeo and Juliet" Director
- Denny Dillon
- Elaine
- Karen Shallo
- Harriet
- Max Alexander
- Roger Kellerman
- Peter Gumeny
- Arresting Officer
- Tony DiBenedetto
- Construction Worker
- Burtt Harris
- Construction Worker
- Mervyn Nelson
- Movie Shop Owner
- John Ring
- Garbo Doorman
- Anne Gartlan
- Garbo Maid
- Jose Santana
- Sanchez/Orderly
- Jennifer M. Ogden
- Nurse
- David Hammil
- Ferry Conductor
- Roderick Cook
- Von Klammer
- Mary McDonnell
- Lady Capulet
- Leila Danette
- Augusta
- Nadine Darling
- Flea Market Salesclerk
- Joan de Marrais
- Flea Market Salesclerk
- Adolph Green
- Himself
- Arthur Schlesinger Jr.
- Himself
- Didi D'Errico
- Actors Equity Receptionist
- Harry Madsen
- Delivery Man
- Betty Comden
- Garbo
- Nina Zoe
- Garbo
