Walter Matthau as Joe Mulholland

Charles Grodin as Herb Derman

Vincent Gardenia as Saul Gritz

Tyne Daly as Nancy Derman

Bill Macy as Sid Spokane

Gilda Radner as Livia Machado

Earl Boen as Marshall

Michael Lerner as Arnie

Joe Mantell as Larry

William Prince as Louis Martin

Nita Talbot as Dorothy

Sandy Ward as Doctor

Judah Katz as Freddie

Peter Marc Jacobson as Robin

Sam Anderson as Ray Berg

Frances Bay as Betty Gritz

Luana Anders as Violette

Gene Dynarski as Board Member

David Tress as Board Member

Eugene Elman as Other Executive

Philip Sterling as Other Executive

Dick Yarmy as Other Executive

Stanley Lawrence as Man at Dedication

Leslie Bee as Secretary

Clair E. Leucart as Truck Driver

Victoria Bolker as Nurse

Steve Martin as Fabio Longio

Penny Marshall as Reva