In a nice touch, toon John Barrymore is seated next to a toon of his Grand Hotel co-star Greta Garbo! Clark Gable, another Garbo co-star, sits at another table nearby. As usual in these cartoons, Gable’s ear size is wildly exaggerated.
Garbo looking ‘not amused’
Other Celebrities caricatured are:
1. Walter Winchell
2. Hugh Herbert
3. W.C. Fields
4. Katharine Hepburn
5. Ned Sparks
6. Johnny Weissmuller
7. Lupe Velez
8. John Barrymore
9. Harpo Marx
10. George Arliss
11. Mae West
12. Stan Laurel
13. Oliver Hardy
14. Clark Gable
15. Edna May Oliver
16. Gary Cooper
17. The Dionne Quintuplets
18. Groucho Marx
19. Helen Morgan
20. Wallace Beery
21. Edward G. Robinson
22. George Raft.
The Coo-Coo Nut Grove is presented on the Looney Tunes Golden Collection: Volume 3 DVD and as an extra on the DVD of The Petrified Forest.
Source: IMDB and Wikipedia