I have 2 of these that are not listed there:
John Boles - SN1 - Actor
Paul Arizin - SN2 - Basketball
Others that I know exist either seen on eBay, COMC, or out in the wild (Note - I think there are are lot more as well):
Gus Marker SN1
Alex Haley SN22
Dorothy Lamour SN3
Jane Wyatt SN24
June Allyson SN38
Jim Parker SN3
Joan Bennett SN3
Maury Maverick SN3
Henny Youngman SN5
Buddy Ebson SN6
Otto Graham SN6
Sammy Baugh SN32
Ed Holley SN1
Richard Byrd SN2
Roy Demeo SN52
Alex Shibicky SN1
Bill Juzda SN1
Ray Timgren SN1
Author Alexandre SN1
Kenny Readon SN2
Eddie Mathews SN1
Johnny Mize SN1
Sam Pollack SN2
Blondy Ryan SN1
Woody Strode SN2
Dusty Rhodes SN4
Dave Schriner SN1
Cab Calloway SN1
Charlie Devers SN1
Ed Wells SN1
Elvis Presley SN1
James Naismith SN1
Jeremy Sinden SN1
Johnny Whyrostek SN1
Ken Strong SN1
Les Cunningham SN1
Louie Bellson SN1
Norman Mailer SN1
Thomas Edison SN1
William Willman SN1
Pete Fox SN1
Payne Stewert SN1
Harry Blackstone SN2
Frank Sinatra SN2
Preacher Roe SN2
Bill Dudley SN4
Myrna Loy SN4
Elroy Hirsch SN4
Arthor C Clarke SN9
Sid Gillman SN13
Joe Bonanno SN16
Charlton Heston SN17
Lou Groza SN39
Ron Kostelnik SN42
Frederic Perry SN44