The discography on wardellgray.org says poss. John Anderson, Louis Grey, Allen Smith (tp); Bob Collins, poss. Isaac Bell, Atlee Chapman, John “Streamline” Ewing, or Britt Woodman (tb); prob. Sonny Criss, poss. Jerry Dodgion (as); Teddy Edwards, poss. Frank Haynes (ts); Jerome Richardson (flute); poss. Bill Green (bar); poss. Cedric Haywood (p); poss. Addison Farmer (b); poss. Gus Gustafson (d); Gerald Wilson (arr, cond); Bill Renault (Bill Jones) (voc)
Criss and Dodgion as the two altos I find believable