Alto Saxophone: Eric Dolphy

Arranged By, Written: By, Alto Saxophone, Tenor Saxophone, Sleeve Notes - Oliver Nelson

Baritone Saxophone: Robert Ashton

Baritone Saxophone [Out]: George Barrow

Bass: Paul Chambers (3)

Bass: Wendell Marshall

Drums: Roy Haynes

Flute: Eric Dolphy

Flute: George Barrow

Flute: Jerome Richardson

Photography By: Chuck Stewart

Piano: Bill Evans

Piano: Richard Wyands

Producer: Creed Taylor

Recorded By: Rudy Van Gelder

Tenor Saxophone: Eddie "Lockjaw" Davis

Tenor Saxophone: George Barrow

Tenor Saxophone: Jerome Richardson

Trombone: Jimmy Cleveland

Trombone: Melba Liston

Trumpet: Bobby Bryant

Trumpet: Clark Terry

Trumpet: Richard Williams

Trumpet [Out]: Freddie Hubbard