Part 1 traces the studio's creation and rise under the guidance of Louis B. Mayer and Irving J. Thalberg, from 1924 to 1936. Featured: film clips, interviews and behind-the-scenes footage. Also: stories about Jean Harlow, Johnny Weissmuller and Greta Garbo.
| Name | Type | Role | |
|---|---|---|---|
| Lew Ayres | Guest Star | ||
| Helen Hayes | Guest Star | ||
| Samuel Marx | Guest Star | ||
| Maureen O'Sullivan | Guest Star |