George Segal

Brooks Wilson

Eva Marie Saint

Selma Wilson

Sterling Hayden

Lepridon

Keenan Wynn

Edward

Nancie Phillips

Nelly

Janis Young

Grace

David Doyle

Will

Paul Sparer

Marve

Andrew Duncan

Willy

Sherry Lansing

Susan

Roland Winters

Plommie

Edgar Stehli

Mr. Kramm

Calvin Holt

Danny

Mina Kolb

Diane

Diana Douglas

Mrs. Shavelson

David Ford

Al

James Manis

Charles

Mart Hulswit

Ted

John Fink

Brad

William Duffy

Jay

Irving Selbst

Benny

Martin Harvey Friedberg

Roger

Lorraine Cullen

Lizzie

Cheryl Bucher

Hannah

Ed Crowley

Mr. Shavelson

Roy Scheider

Skip

Sab Shimono

Byron

Eileen O'Neill

Cindy

Diane Davies

Barbie

Robert Paget

Party Guest (uncredited)

John Reidy

Flower Delivery Man (uncredited)

Betsy von Furstenberg

Grace's Aunt (uncredited)