The Challenge... A Tribute to Modern Art

Orson Welles

Narrator

Maria Helena Vieira da Silva

Self

Hans Richter

Self

Roy Lichtenstein

Self

Henri Langlois

Self

Herbert Kline

Self - interviewer

Daniel Kahnweiler

Self

Peggy Guggenheim

Self

Alexander Calder

Self

Marc Chagall

Self

Willem de Kooning

Self

Pierre Soulages

Self

Pierre Schneider

Aimé Maeght

Self

Louise Nevelson