
1. Artie Auerbach (pretty sure)
2. ? Mahlon Merrick (not so sure) edited: Bob Ballin - Thanks Jeanette and Laura!
3. Don
4. Phil
5. Jack
6. Hilliard Marks (I think)
7. Mary
8. Dennis
9. edited: Frank Nelson - thanks JohnM!
10. Eddie Anderson
11. George Balzer
12. Milt Josefsberg
13. John Tackaberry
14. edited: Gurney Bell (Sportsmen) - thanks TSQ!
15. edited: Burt Scott (Jack's secretary) - thanks Jeanette and Laura!
16. edited: Marty Sperzel (Sportsmen) - thanks TSQ!
17. Sara Berner
18. edited: Bill Days (Sportsmen) - thanks TSQ!
19. Sam Perrin
20. edited: Max Smith (Sportsmen) - thanks TSQ!
21. ? edited: possibly Peter Leeds?
22. Mel Blanc
23. edited: Jeanette Eymann - Thanks Jeanette and Laura!
I've got a couple of guesses in there I am happy to hear contrary opinions on.
Also, I feel bad about just putting "Sportsmen" placeholders in there. I know they were Bill Days, Max Smith, Marty Sperzel and Gurney Bell, but I never put their names to faces in my head. And, I believe this was before Jay Meyer's time. so where are you, TheSportsmenQuartet?
Anyway, here's an unnumbered version, for clarity:

And a link to a ginormous version here