George Segal as Andrew

Shirley Knight as Anna

Robert Culp as Lawrence

Victor Buono as Bancks

William Daniels as Albert

Dean Jagger as Arnold Edgarton

Louise Lasser as Karen

Mary Ann Mobley as Esther

Elizabeth Wilson as Miss Pratt

Allan Arbus as Edward Fredericks

Robert Easton as Steve Olman

Connie Hines as Paula Olman

Priscilla Morrill as Carol Bancks

Neva Patterson as Mary Forman

Ann Prentiss as Elaine Fredericks

Milton Selzer as Dr. Ernest Foreman

Ellen Weston as Eva Anderson

Robert Emhardt as Busybody

Maidie Norman as Janine

John Ritter as Bauer

James A. McHugh as Fields

John Fujioka as Akiro

Jonathan Segal as Car Owner

William Bassett as Army Major

Jason Wingreen as Conference Man

Crane Jackson as Conference Man

Paul Bryar as Conference Man

Bobby Eilbacher as Henry

Kim Durso as Veronica