Alan Arkin

as Barney Kempinski

John Gielgud

as Rich Man

Alan King

as Leo

Lee Grant

as Laura

Arlene Golonka

as Mary

Charlotte Rae

as Woman in Window

Jerome Guardino

as Man in Window

Leonardo Cimino

as Dino

José Pérez

as Ice Cream Boy

Jane Rose

as Woman

Mark Kearney

as Boy

Rosetta LeNoire

as Woman

Stanley Simmonds

as Man

Dorothea MacFarland

as Woman

Rex Everhart

as Klein

Pierre Epstein

as Clerk

Helen Curtis

as Large Woman

Barney Martin

as Large Man

John C. Becher

as Tourist #1

William Hansen

as Tourist #2

Valerie Morrell

as Woman Tourist

Andrew Duncan

as Bus Driver

Joanna Wood

as Girl at Boat

Philip Coolidge

as Farley

Edith King

as Matron (as Edith N. King)

Enid Markey

as Emily

Judith Lowry

as Ruth

Beverly Todd

as Receptionist

Janak Khendry

as Khendry

Willis Pinkett

as Mechanic

David Doyle

as Crying Man

Frank Campanella

as Detective #1

Maxwell Glanville

as Detective #2

Tom Carlin

as Detective #3

Wally Engelhardt

as Chauffeur (as Wallace Engelhardt)

Roberta Carr

as Francine