Characters played by George Segal
Brooks
Characters played by Eva Marie Saint
Selma
Characters played by Sterling Hayden
Lepridon
Characters played by Keenan Wynn
Edward
Characters played by Nancie Phillips
Nelly
Characters played by Janis Young
Grace
Characters played by David Doyle
Will
Characters played by Paul Sparer
Marve
Characters played by Andrew Duncan
Willy
Characters played by Sherry Lansing
Susan
Characters played by Roland Winters
Plommie
Characters played by Edgar Stehli
Mr. Kramm
Characters played by Calvin Holt
Danny
Characters played by Mina Kolb
Diane
Characters played by Diana Douglas
Mrs. Shavelson
Characters played by David Ford
Al
Characters played by James Manis
Charles
Characters played by Mart Hulswit
Ted
Characters played by John Fink
Brad
Characters played by William Duffy
Jay
Characters played by Irving Selbst
Benny
Characters played by Martin Harvey Friedberg
Roger
Characters played by Lorraine Cullen
Lizzie
Characters played by Cheryl Bucher
Hannah
Characters played by Ed Crowley
Mr. Shavelson
Characters played by Roy Scheider
Skip
Characters played by Sab Shimono
Byron
Characters played by Eileen O'Neill
Cindy
Characters played by Diane Davies
Barbie
Characters played by Jack Beers
(uncredited)
Characters played by Robert Paget
Party Guest
Characters played by John Reidy
Flower Delivery Man
Characters played by Betsy von Furstenberg
Grace's Aunt