Oliver Nelson - arranger, conductor, alto saxophone, tenor saxophone

George Duvivier (1, 2, 8, 9), Milt Hinton (all others) - bass

Phil Kraus - celesta, vibraphone (5, 6, 11, 12)

Ed Shaughnessy (1, 2, 8, 9), Osie Johnson (all others) - drums

Ray Alonge (1, 2, 8, 9), Bob Northern (1, 2, 8, 9) - French horn

Jimmy Raney (1, 2, 8, 9), Jim Hall (all others) - guitar

Harry Brewer - marimba, Castanets (3, 4, 7, 10)

Al Cohn, Danny Bank, George Dorsey, Jerome Richardson, Gerry Dodgian (1, 2, 8, 9), Phil Bodner (5, 6, 11, 12), Phil Woods, Romeo Penque (3, 4, 7, 10), Stan Webb - reeds

Paul Faulise, Willie Dennis, Rod Levitt (1, 2, 8, 9), Quentin Jackson, Urbie Green, Tony Stud (1, 2, 5, 6, 8, 9, 11, 12), Jimmy Cleveland (1, 2, 5, 6, 7, 8, 11, 12) - trombone

Clark Terry - trumpet, flugelhorn (1, 2, 8, 9)

Bernie Glow, Ernie Royal, Snooky Young, Jimmy Maxwell (1, 2, 8, 9), Joe Newman - trumpet