Paul Newman as Ram Bowen

Joanne Woodward as Lillian Corning

Sidney Poitier as Eddie Cook

Diahann Carroll as Connie Lampson

Louis Armstrong as Wild Man Moore

Barbara Laage as Marie Séoul

André Luguet as René Bernard

Marie Versini as Nicole

Serge Reggiani as Michel 'Gypsy' Devigne

Moustache as Mustachio

Aaron Bridgers as Pianist

Guy Pedersen as Bass Player

Roger Blin as Fausto the Moor (uncredited)

Hélène Dieudonné as The Pusher (uncredited)

Emilien Antille as Alto Sax Player with Armstrong at Club 33 (uncredited)

Charles Bouillaud as Luggage Carrier in Train (uncredited)

Michel Dacquin as Guest at Devigne's Party (uncredited)

Michel Garland as Club 33 Customer (uncredited)

Christian Garros as Musician (uncredited)

René Hell as Man with Dog in the Park (uncredited)

Jo Labarrère as Club 33 Customer (uncredited)

Jack Lenoir as Club 33 Waiter (uncredited)

Franck Maurice as Luggage Carrier on the Platform (uncredited)

Niko as Ricardo (uncredited)

Michel Portal as Musician (uncredited)

Claude Rollet as Club 33 Customer (uncredited)

Albert Simono as Guest at Devigne's Party (uncredited)

André Tomasi as Club 33 Bartender (uncredited)

María Velasco as Pianist (uncredited)

Dominique Zardi as (uncredited)