Arranged By – Jack NitzscheCello – David Filerman, Gregory Bemko, Jacqueline Lustgarten, Jan Kelly*Conductor – Russ TitelmanDouble Bass [String Bass] – Clyde "Whitey" Hoggan*, Jerry Scheff, James Hughart*, Max BennettDrums – Mike Ney*Electric Bass – Douglas Lubahn*Guitar – Danny Kortchmar, Ken BloomHorns – Jules Jacob, William HinshawKeyboards – Leon Russell, Ralph Shuckett*Other [Unknown] – John R. HoenigProducer – Gerry GoffinWritten-By – Carol King, Gerry Goffin*

Piano – Michael Rubini*Written-By – Robert Rafaelson*, Jack Nicholson

Bass – John Gross, Richard DeyDrums – Eddie HohGuitar – Bill Chadwick, Keith AllisonWritten-By, Organ – Michael Nesmith

Drums – Dewey MartinPercussion – Michael A. GlassRhythm Guitar [Electric] – Peter TorkSoloist, Acoustic Guitar [Lead], Bass – Lance WakelyWritten-By – Peter Tork

Voice [Uncredited] – David Jones*

Voice [Uncredited] – Bela Lugosi

Arranged By – Jack NitzscheBass – Harvey NewmarkDrums – Earl PalmerGuitar – Carole King, Danny Kortchmar, Ken Bloom, Neil Young, Ry CooderMusician – Russ Titelman, Tony McCashenOrgan, Flute – Unknown ArtistOther [Unknown Role] – John R. HoenigPercussion – Dennis BruceWritten-By – Carole King, Toni Stern

Bass – Richard DeyCello – Eleanor Slatkin, Emmet Sargent*, Justin Ditullio, Raphael KramerDrums – Eddie HohGuitar – Bill Chadwick, Keith Allison, Michael NesmithPercussion – Brendan CahillPiano – Michael Rubini*Trombone – Lewis McCreary*, Richard LeithTrumpet – Marion Childers, Pete Candoli, Anthony Terran*Written-By – Harry Nilsson

Voice [Uncredited] – Frank Zappa, Victor Mature

Bass – Lance WakelyDrums – Dewey MartinWritten-By, Guitar – Peter Tork

Arranged By, Conductor – Ken ThorneProducer [Porpoise Song Segment] – Gerry GoffinWritten-By [Porpoise Song Segment] – Carole King, Gerry Goffin*

Written-By – Robert Rafaelson*, Jack Nicholson

Bass – Peter TorkDrums – Micky DolenzGuitar – Michael NesmithOrgan, Percussion – David Jones*Written-By – Michael Nesmith

Organ – Michael Rubini*Written-By – Mildred Hill*, Patty Smith Hill

Drums – Dewey MartinPercussion – Michael A. GlassSoloist, Acoustic Guitar [Lead], Bass – Lance WakelyWritten-By, Rhythm Guitar [Electric] – Peter Tork

Bass – Richard DeyCello – Eleanor Slatkin, Emmet Sargent*, Justin Ditullio, Raphael KramerDrums – Eddie HohGuitar – Bill Chadwick, Keith Allison, Michael NesmithPercussion – Brendan CahillPiano – Michael Rubini*Trombone – Lewis McCreary*, Richard LeithTrumpet – Marion Childers, Pete Candoli, Anthony Terran*Written-By – Harry Nilsson