- L.A. Express: Performer (A1, A2)
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Tom Scott: Horns (A1, A2, A5, B1, B3), flute (B2, B4)
- Roger Kellaway: Piano (A1, A2)
- John Guerin: Drums (A1, A2)
- Max Bennett: Bass (A1, A2)
- Robben Ford: Guitar (A1, A2, B2)
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George Harrison: Guitar (A1, A2, A3, B1-B3), the other things (A3), gub-gubi (B4), Moog (B4), music (A1-A3, A5, B1-B4), words (A2, A3, A5, B1-B4), parody lyric (A4), engineer breakdown (A4), producer
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Ringo Starr: Drums (A3, B1)
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Jim Keltner: Drums (A3, B1), hi-hats (B2)
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Nicky Hopkins: Piano (A3)
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Willie Weeks: Bass (A3, A5, B2-B4)
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Eric Clapton: Rhythm ace and Pattie (A4)
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Billy Preston: Electric piano (A5, B2-B4)
- Andy Newmark: Drums (A5, B2-B4)
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Gary Wright: Piano (B1)
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Klaus Voormann: Bass (B1)
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Mick Jones: Guitar (B1)
- Alvin Lee: Electric guitar (B1)
- Sir Frank Crisp: Spirit (B1)
- Chuck Findley: Flute (B2, B4)
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Jim Horn: Flute (B2, B4)
- Emil Richards: Crochet (B2), wobble board (B4)
- Lon and Derek Van Eaton: "Ooohhs" (B2)
- Olivia Arias: Trinidad blissed out (B2)
- Boudleaux Bryant: Composer (A4)
- Felice Bryant: Composer (A4)
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Ron Wood: Composer (B3)
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- F.P.S.H.O.T. U.K.: Recording studio (A1, A2)
- Kumar Shankar: Engineer (B4), second engineer (A5)
- Phil "Angel" McDonald: Engineer (A1, A2, A3, A5, B4)
- Norm Kinney: Engineer (B2)
- Tom Wilkes: Art direction
- Terry Doran: Photography
- H. Grossman: Label photography
(*) 2014 reissue bonus tracks
