An experiment on a simpleton turns him into a genius. When he discovers what has been done to him he struggles with whether or not what was done to him was right.
Unfortunately the movie Charly is not yet available on HBO Max.
| Art | John DeCuir | Production Design |
| Sound | Clem Portman | Recording Supervision |
| Production | Tom Walker Jr. | Production Supervisor |
| Art | Charles Rosen | Art Direction |
| Costume & Make-Up | Phil Naso | Hairstylist |
| Costume & Make-Up | Hazel Roy | Costume Design |
| Crew | Shelley Bartolini | Scenic Artist |
| Production | Henry Spitz | Production Manager |
| Camera | Jack Brown | Assistant Camera |
| Art | Richard Kuhn | Title Designer |
| Sound | Jim Shields | Sound Recordist |
| Costume & Make-Up | Vin Kehoe | Makeup Artist |
| Crew | Rod Stephens | Post Production Assistant |
| Writing | Stirling Silliphant | Screenplay |
| Directing | Ralph Nelson | Director |
| Writing | Daniel Keyes | Novel |
| Production | Selig J. Seligman | Executive Producer |
| Production | Ralph Nelson | Producer |
| Editing | Fredric Steinkamp | Editor |
| Camera | Arthur J. Ornitz | Director of Photography |
| Sound | Ravi Shankar | Original Music Composer |
