 | Lana Condor als Lara Jean Song Covey |
 | Noah Centineo als Peter Kavinsky |
 | Jordan Fisher als John Ambrose McClaren |
 | Anna Cathcart als Katherine "Kitty" Song Covey |
 | John Corbett als Daniel Covey |
 | Sarayu Blue als Trina Rothschild |
 | Janel Parrish als Margot Song Covey |
 | Ross Butler als Trevor Pike |
 | Madeleine Arthur als Christine |
 | Emilija Baranac als Genevieve |
 | Trezzo Mahoro als Lucas James |
 | Holland Taylor als Stormy |
 | Kelcey Mawema als Emily |
 | Julie Tao als Haven |
 | Momona Tamada als Young Laura Jean |
 | Christian Darrel Scott als Young John Ambrose |
 | Jill Morrison als Dorothy |
 | Maddie Ziegler als Pep Squad Girl |
 | Jayden Chow als Haven's Twin Bro #1 |
 | Ryan Zhang als Haven's Twin Bro #2 |
 | Susie Lee als Eve Song Covey |
| Ae Yon Han als Grandma |
 | Linda Ko als Aunt Carrie |
| James Li als Uncle Victor |
 | Peter Grasso als Maitre D' |
 | Jaycie Dotin als Waiter #1 |
 | Al Miro als Waiter #2 |
 | Jara Zeimer als OMG Girl |
 | Anisha Cheema als Valentine's Girlfriend |
 | Naiah Cummins als Calc Teacher |
| Nicole Jang als Acapella Group |
| Tuan Nguyen als Acapella Group |
| Joseph Lachowicz als Acapella Group |
| Umaiyahl Nageswaran als Acapella Group |
| Cole Bunch als Acapella Group |
| Adee Fletcher als Acapella Group |
 | Molly Grace als Crying Girl |
 | Jerry Yang als Nathan |
 | Byron Noble als Mr. Bezdek |
 | Seth Ranaweera als Produce Clerk |
 | Gary Hetherington als Arthur |
 | Elan Ross Gibson als Hilda |
| Cindy Piper als Patty |
 | Irene Reynolds als Mrs. Glick |
| Winslow Holmes als Albacar |
 | James Hibbard als Bud |
 | Maggie Sullivun als Daisy |
 | William Samples als Bert |
 | Colin Foo als Morty |
| Tyler Alderman als Red Head Boy |
 | Jasmine Lukuku als Mail Carrier |
 | Michael Delleva als Teenage Boy |
 | Claire Margaret Corlett als Teenage Girl |
 | June B. Wilde als Joan (uncredited) |
| Jenny Han | Novel |
| Michael Fimognari | Director |
| Marc Bienstock | Executive Producer |
| Jenny Han | Executive Producer |
| Kelsey Jackson | Co-Producer |
| Susan Johnson | Executive Producer |
| Matt Kaplan | Producer |
| Robyn Marshall | Executive Producer |
| Max Siemers | Executive Producer |
| Michael Fimognari | Director of Photography |
| Sofia Alvarez | Executive Producer |
| Don Dunn | Executive Producer |
| Shelley Zimmerman | Executive Producer |
| Rebecca Glashow | Executive Producer |
| Scott Levine | Executive Producer |
| Aubrey Bendix | Co-Producer |
| Megan Greydanus | Co-Producer |
| Chris August | Production Design |
| Joe Klotz | Editor |
| Chris Foss | Line Producer |
| Lindsay Wolfington | Music Supervisor |
| Laura Webb | Music Supervisor |
| Warren Fischer | Music Supervisor |
| Tamara Notcutt | Casting |
| J. Mills Goodloe | Screenplay |
| Sofia Alvarez | Screenplay |
| Lorraine Carson | Costume Design |
| Joe Wong | Original Music Composer |
| Tiffany Mak | Local Casting |
| Tracey Nomura | Unit Production Manager |
| Richard Worden | First Assistant Director |
| Marijke Richman | First Assistant Director |
| Lee Karlovic | Second Assistant Director |
| Jodi Stecyk | Stunt Coordinator |
| Louise Hradsky | Choreographer |
| Ian Rozylo | Stunts |
| Byron Brisco | Stunts |
| Kimberly Chiang | Stunts |
| Douglas Armstrong | Stunts |
| Jennifer Li | Stunts |
| Catherine Ircha | Art Direction |
| Meghan Collins | Art Department Coordinator |
| Marc Caloren | Set Designer |
| Renée Read | Set Decoration |
| Mohamed Hussain | Set Decorating Coordinator |
| A. Blair Stevens | Assistant Set Decoration |
| Robin Tilby | Set Decoration Buyer |
| John Tiffen | Leadman |
| Jennifer Worms | Set Dresser |
| Theordore Foley | Set Dresser |
| Dustin Stone | Set Dresser |
| Donna Smith | Property Master |
| Ashley Mendoza | Assistant Property Master |
| Ryan Purcell | "A" Camera Operator |
| Kevin Hall | "B" Camera Operator |
| Luke Barlow | First Assistant "A" Camera |
| Salomon Saade | First Assistant "B" Camera |
| Paola Cernicchiaro | Second Assistant "A" Camera |
| Keshia Smith | Second Assistant "B" Camera |
| Aaron Olson | Digital Imaging Technician |
| Jen Oberem | Script Supervisor |
| Simon Bright | Production Sound Mixer |
| Chris Higgins | Boom Operator |
| Sean Rooney | Gaffer |
| Thomas Martens | Best Boy Electric |
| Jeff Hall | Rigging Gaffer |
| Tony Richardson | Electrician |
| David Hui | Electrician |
| John Dines | Electrician |
| Cameron Smith | Electrician |
| Wil Parrott | Key Grip |
| Martin Bailey | Best Boy Grip |
| Cody Rusinko | Grip |
| Lowell Richardson | Grip |
| Thomas Woytkowiak | Grip |
| Sanjiv Sami | Dolly Grip |
| Trevor Williams | Dolly Grip |
| Meg Schmon | Costume Supervisor |
| Lux Petrova | Assistant Costume Designer |
| Sophie Anza | Costumer |
| Thea Zahorouski | Costumer |
| Jordan Hintz | Costumer |
| Natalie Cosco | Makeup Department Head |
| Rebekah Bak | Makeup Artist |
| Amber Crombach | Makeup Artist |
| Jennifer Manton | Hair Department Head |
| Brittin Ireland | Hairstylist |
| Amy Bell | Hairstylist |
| Ron Pachkowski | Production Coordinator |
| Sarah Long | Assistant Production Coordinator |
| Rico Mielnicki | Location Manager |
| Michele Lee | Production Accountant |
| Leona Atkinson | First Assistant Accountant |
| Jacqueline Bradley | Payroll Accountant |
| Rob Maier | Construction Coordinator |
| Ron Gavin | Transportation Coordinator |
| Scott Delaplace | Transportation Captain |
| Crystal Braunwarth | Unit Publicist |
| Bettina Strauss | Still Photographer |
| Sara Brown | Extras Casting |
| Heather McGowan | Casting Assistant |
| Jean-Sebastien Normandeau | Third Assistant Director |
| Mikael Sandgren | Music Editor |
| Taylor Landesman | Assistant Editor |
| Roger Cooper | Assistant Editor |
| Timothy J. Feeley | Assistant Editor |
| May Rogers | Music Coordinator |
| Rachel Thorpe | Music Coordinator |
| Lewis Goldstein | Supervising Sound Editor |
| Lewis Goldstein | Sound Re-Recording Mixer |
| Andrew Mastronardi | Sound Effects Editor |
| Mari Matsuo | Assistant Sound Editor |
| Alfred DeGrand | Dialogue Editor |
| Tom Ryan | Sound Re-Recording Mixer |
| Shaun Brennan | Foley Artist |
| Wen Hsuan Tseng | Foley Editor |
| Jerrell Suelto | ADR Mixer |
| Gina Alfano | ADR Editor |
| Anthony Kramer | Visual Effects Supervisor |
| Alana Coddaire | Visual Effects Producer |
| Jill Bogdanowicz | Colorist |
| Eric Ladd | Title Designer |
