alto saxophone [jazz] Eric Dolphy
arranged by, conductor Benny Golson
bass [pop & jazz] Paul Chambers
bass [pop & jazz] Ron Carter
cello [pop] Charles McCracken
design Irving Sloane
drums [pop & jazz] Charlie Persip
drums [pop & jazz] Jimmy Cobb
engineer Dick Olmsted
engineer [re-recording] William Hamilton
flute [pop] Jerome Richardson
flute [pop], baritone saxophone [pop] Danny Bank
french horn [pop] Ray Alonge
french horn [pop] Robert Northern
mastered by Ray Hagerty
piano [pop & jazz] Bill Evans
supervised by, liner notes Tom Wilson
tenor saxophone [jazz] Wayne Shorter
tenor saxophone [pop] L. Cranston
trombone [jazz] Curtis Fuller
trombone [jazz] Grachan Moncur III
trumpet [jazz] Bill Hardman
trumpet [jazz] Freddie Hubbard
viola [pop] Harold Coletta
violin [pop] Gene Orloff
violin [pop] George Ockner
violin [pop] Harry Lookofsky
violin [pop] Julius Held
From the front cover:

POP music on the left, JAZZ music on the right. (...) The Triple Play miracle... Using regular stereo controls you can create infinitely variable blends of lilting pop music with spicy jazz or you can create separate pop or jazz concerts...