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

Robert Hughes

Self

Paul Falkenberg

Editor, Production Consultant

Michel Michelet

Music

Herbert Kline

Producer, Writer, Director

Julius Evans

Co-Producer

Arnold Eagle

Cinematography

Roberto Guerra

Cinematography

Ivan Stoinov

Cinematography

Pierre Schneider

Writer

Derrett Williams

Cinematography