- Alex Acuna
- musician: percussion (as Alex Acuña)
- Eun-Mee Ahn
- musician: violin
- Armen Anassian
- musician: violin
- Paul Apelgren
- music editor
- Brian Bair
- score technical engineer
- Alisha Bauer
- musician: cello
- Steve Becknell
- musician: french horn
- Charlie Bisharat
- musician: violin
- Alison Bjorkedal
- musician: harp
- Marshall Bowen
- orchestra conductor
- Jacqueline Brand
- musician: violin
- Jacob Braun
- musician: cello
- Laura Brenes
- musician: french horn
- Joshua Britt
- music preparation
- Warren Brown
- Score Recorded and Mixed By
- Roberto Cani
- musician: violin
- Nicholas J. Cazares
- music librarian
- Giovana Clayton
- musician: cello (as Giovanna Moraga Clayton)
- Rose Corrigan
- musician: bassoon
- Andrea Datzman
- music produced by / score vocalist
- Jonathan Davis
- musician: oboe
- Stephen M. Davis
- music editor
- Drew Dembowski
- musician: bass
- Joel Derouin
- musician: violin
- George Doering
- musician: featured instrumentalist / musician: guitar
- Peter Doubrovsky
- musician: bass
- Bernie Dresel
- musician: drums / musician: featured instrumentalist
- Andrew Duckles
- musician: viola
- Karen Elaine
- musician: viola
- Sam Estes
- music: Original Sample Design / musician: Additional Keyboards
- David Everson
- musician: french horn
- Nina Evtuhov
- musician: violin
- Davey Faragher
- musician: electric bass
- Katelyn Faraudo
- musician: french horn (as Katie Faraudo)
- Alma L. Fernandez
- musician: viola (as Alma Fernandez)
- Stefanie Fife
- musician: cello
- Samuel Fischer
- musician: violin (as Sam Fischer)
- Donald T. Foster
- musician: clarinet (as Donald Foster)
- Mark Gasbarro
- musician: featured instrumentalist / musician: piano
- Michael Giacchino
- additional orchestrations / music produced by / original 'Inside Out' themes by
- David Giuli
- Music Preparation
- Wynton Grant
- musician: violin
- Danny Greco
- musician: percussion
- Jessica Guideri
- musician: violin
- Aria Gunn
- score vocalist
- Vangie Gunn
- Vocal Contractor
- Reggie Hamilton
- musician: electric bass
- Jennifer Hammond
- additional orchestrations
- Neel Hammond
- musician: violin
- Tom Hardisty
- score recordist
- Lauren Harrold
- Manager: Music Production
- Tamara Hatwan
- musician: violin
- Vahe Hayrikyan
- musician: cello
- Elizabeth Hedman
- musician: violin
- Paul S. Henning
- musician: violin (as Paul Henning)
- Oscar Hidalgo
- musician: bass
- Steve Holtman
- musician: trombone
- Luanne Homzy
- musician: violin
- Scott Hosfeld
- musician: viola
- Caleb Hsu
- music production coordinator
- Alex Iles
- musician: trombone
- B.J. Johnson
- musician: bass (as Will B.J. Johnson)
- Barney Jones
- production music editor: editorial
- Erick Jovel
- musician: trumpet
- Julie Jung
- musician: cello
- Alan Kaplan
- musician: bass trombone
- Leah Katz
- musician: viola
- Peter Kent
- musician: violin
- Pete Korpela
- musician: percussion
- Jeff Kryka
- orchestrator
- Armen Ksajikian
- musician: cello
- Steve Kujala
- musician: flute (as Stephen R.F. Kujala)
- Marisa Kuney
- musician: violin
- Abe Laboriel
- musician: electric bass (as Abraham Laboreil Sr.) / musician: featured instrumentalist (as Abraham Laboreil Sr.)
- Benjamin Lash
- musician: cello
- Songa Lee
- musician: violin
- Natalie Leggett
- musician: violin
- Mark LeVang
- musician: featured instrumentalist / musician: keyboards
- Gayle Levant
- musician: harp
- Dane Little
- musician: cello
- Lora'nd Lokustza
- musician: violin
- Tom MacDougall
- executive music producer
- Marina Manukian
- musician: violin
- John Mason
- musician: french horn
- Stephanie Matthews
- musician: violin
- Luke Maurer
- musician: viola
- William May
- musician: bassoon
- Darrin McCann
- musician: viola
- Martin McClellan
- Music Preparation
- Aaron Meyer
- music preparation
- Laszlo Mezo
- musician: cello
- Jorge Moraga
- musician: viola
- Charles Nennecker
- musician: bass
- Maria Newman
- musician: viola
- Rebecca Nisco
- production music assistant: post production
- Grace Oh
- musician: violin
- Jenni Olson
- musician: flute
- Geoffrey S. Osika
- musician: bass (as Geoffrey Osika)
- Alyssa Park
- concertmaster / musician: featured instrumentalist
- Sara Parkins
- musician: violin
- Cameron Patrick
- additional orchestrations
- Stephanie Payne
- musican: bass
- Maya Peredes
- musician: cello
- Radu Pieptea
- musician: violin
- Chang Qu
- musician: violin (as Tina Chang Qu)
- Federico Ramos
- musician: guitar
- Joshua Ranz
- musician: clarinet
- Teag Reaves
- musician: french horn
- Steve Richards
- musician: cello / musician: featured instrumentalist
- Cassandra Richburg
- musician: viola (as Cassandra Lynne Richburg)
- Carolyn Riley
- musician: viola
- Mark Robertson
- musician: violin
- Walter Rodriquez
- musician: percussion
- Jennifer Rowekamp
- production music editor
- Tyler Rydosz
- music preparation
- Amy Sanchez
- musician: french horn
- Rob Schaer
- musician: trumpet
- Charles Scott IV
- guitar
- Charles Scott
- musician: featured instrumentalist / musician: guitar
- Harry Shirinian
- musician: viola
- Tereza Stanislav
- musician: violin
- Joe Stone
- musician: oboe
- Andrew Synowiec
- musician: featured instrumentalist / musician: guitar
- Jenny Takamatsu
- musician: violin
- Amy Tatum
- musician: flute
- Sarah Thornblade
- musician: violin
- Kevan Torfeh
- musician: cello
- Doug Tornquist
- musician: tuba (as Douglas Tornquist)
- Michael Turner
- executive music producer
- Caleb Vaughn-Jones
- musician: cello
- Ina Veli
- musician: violin
- Josefina Vergara
- musician: violin
- Shalini Vijayan
- musician: violin
- Karl Vincent
- musician: bass
- Irina Voloshina
- musician: violin
- Matthew Voogt
- Music Preparation
- Matt Walker
- executive music producer
- Dave Washburn
- musician: trumpet (as David Washburn)
- Booker White
- music preparation
- Lara Wickes
- musician: oboe
- Roger Wilkie
- musician: violin
- Don Williams
- musician: timpani
- Rodney Wirtz
- musician: viola
