The Challenge... A Tribute to Modern Art is a 1974 American documentary film directed by Herbert Kline. The film shows footage of great modern artists in their studios creating and commenting on their work, with narration and commentary by Orson Welles. It was nominated for an Academy Award for Best Documentary Feature.
| Actor | Role |
|---|---|
 Orson WellesNarrator | Narrator |
| MMaria Helena Vieira da SilvaSelf | Self |
 Hans RichterSelf | Self |
 Roy LichtensteinSelf | Self |
 Henri LangloisSelf | Self |
| HHerbert KlineSelf - interviewer | Self - interviewer |
| DDaniel KahnweilerSelf | Self |
| PPeggy GuggenheimSelf | Self |
| AAlexander CalderSelf | Self |
 Marc ChagallSelf | Self |
| WWillem de KooningSelf | Self |
 Pierre SoulagesSelf | Self |
| PPierre SchneiderNot listed | Not listed |
| AAimé MaeghtSelf | Self |
| LLouise NevelsonNot listed | Not listed |
 Robert HughesSelf | Self |