Cast & crew
K-12 (2019)
Directed by Melanie Martinez Written by Melanie Martinez
Cast
| Gergely Kiss | Preso 2 |
| Marsalis Wilson | Ben |
| Natalia Toth | Lucy |
| Tamas Góg | Glue Adict |
| Robert Szabolcs | Freeway Driver |
| Maggie Budzyna | Kelly |
| Kate O'Donnell | Harper |
| Zión Moreno | Fleur Delacour |
| Jesy McKinney | Leo |
| Csémy Balázs | University Dean |
| Scott Alexander Young | Cornwell Sams |
| Judith Amsenga | Nurse |
| Kimesha Campbell | Lilith |
| Ágota Dunai | (uncredited) |
| Genesis Ilada | (uncredited) |
| Megan Gage | Celeste Burgess |
| Adrian Jurics | Diretor-1 |
| Zinnett Hendrix | Magnolia Hawks |
| Alissa Torvinen | Subway Ghost |
| Bence Balogh | Jason |
| Anne Wittman | Daphne Lang |
| Vilmos Heim | Brandon Teena |
| Toby Edington | Principal Adalwolf |
| Olga Kovács | Ms. Jäger |
| Melanie Martinez | Cry |
| Zacky Agama | Thomas |
| Joel Francis Williams | Henry |
| Elita Harkov | Angelita Avila |
| Marton Behr | Teacher |
| Ngo Quoc Huy | (uncredited) |
| Katie Sheridan | Lorelai |
| Kendy Cruz | (uncredited) |
| Quei Tann | (uncredited) |
| Samantha Lepre | (uncredited) |
| Adrian Jurics | Blue Boy #1 |
| Gergely Kiss | Blue Boy #2 |
| Natalia Toth | Lucy |
| Tamas Góg | Glue Boy |
| Robert Szabolcs | Bus Driver |
| Bence Balogh | Jason |
| Vilmos Heim | Brandon |
| Alissa Torvinen | Ghost Girl |
| Anne Wittman | Miss Daphne |
| Jesy McKinney | Leo |
| Marton Behr | Biology Teacher |
| Katie Sheridan | Lorelai |
| Ágota Dunai | Mean Girl (uncredited) |
| Ngo Quoc Huy | Student (uncredited) |
| Kendy Cruz | Student (uncredited) |
| Genesis Ilada | Student (uncredited) |
| Samantha Lepre | Student (uncredited) |
| Quei Tann | Student (uncredited) |
| Melanie Martinez | Cry Baby |
| Elita Harkov | Angelita |
| Megan Gage | Celeste |
| Maggie Budzyna | Kelly |
| Zión Moreno | Fleur |
| Marsalis Wilson | Ben |
| Zinnett Hendrix | Magnolia |
| Joel Francis Williams | Henry |
| Toby Edington | The Principal |
| Kate O'Donnell | Ms. Harper |
| Zacky Agama | Thomas |
| Olga Kovács | Ms. Penelope |
| Kimesha Campbell | Lilith |
| Scott Alexander Young | Mr. Cornwell |
| Csémy Balázs | Dean |
| Judith Amsenga | Nurse |
Crew
| Camille Benton | Unit Production Manager |
| Jeff Hodges | Visual Effects Supervisor |
| Christina Flannery | Costume Design |
| Melanie Martinez | Assistant Editor |
| Seth Josephson | Producer |
| Emilie Aubry | Editor |
| Melanie Martinez | Songs |
| Wes Teshome | Executive Producer |
| Fernanda Guerrero | Production Design |
| Anissa Williams | Casting |
| Gergely Varga | Co-Producer |
| Julie Greenwald | Executive Producer |
| Alissa Torvinen | Co-Producer |
| James Parnell | Sound Re-Recording Mixer |
| Philip Botti | Executive Producer |
| Ronnie Shapiro | Executive Producer |
| Melissa 'Mo' Meinhart | Makeup Artist |
| Craig Kallman | Executive Producer |
| Josh McKie | Cinematography |
| Melanie Martinez | Producer |
| Tyler Zelinsky | Producer |
| Michael Keenan | Music Producer |
| Nicole Rocklin | Producer |
| Devan Weitzman | Makeup Artist |
| Kimberly Stuckwisch | Producer |
| Jeremy Dussolliet | Music Producer |
| Melanie Martinez | Costume Designer |
| Marc Kelly | First Assistant Director |
| Brian Friedman | Choreographer |
| Melanie Martinez | Director |
| Tim Sommers | Music Producer |
| Zora DeHorter | Casting |
| Niles Howard | Editor |
| Réka Belsö | Second Assistant Director |
| Melanie Martinez | Writer |
| William Scott Blair | Hairstylist |
| Alissa Torvinen | Co-Director |
| Craig Kallman | Executive Producer |
| Ronnie Shapiro | Executive Producer |
| Philip Botti | Executive Producer |
| Julie Greenwald | Executive Producer |
| Jeremy Dussolliet | Music Producer |
| Michael Keenan | Music Producer |
| Tim Sommers | Music Producer |
| Melanie Martinez | Director |
| Tyler Zelinsky | Producer |
| Jeff Hodges | Visual Effects Supervisor |
| Camille Benton | Unit Production Manager |
| Fernanda Guerrero | Production Design |
| Alissa Torvinen | Co-Producer |
| Seth Josephson | Producer |
| Anissa Williams | Casting |
| Melanie Martinez | Songs |
| Niles Howard | Editor |
| Zora DeHorter | Casting |
| Melanie Martinez | Costume Designer |
| Melanie Martinez | Assistant Editor |
| Melissa 'Mo' Meinhart | Makeup Artist |
| Devan Weitzman | Makeup Artist |
| Josh McKie | Cinematography |
| Brian Friedman | Choreographer |
| William Scott Blair | Hairstylist |
| Nicole Rocklin | Producer |
| Melanie Martinez | Writer |
| James Parnell | Sound Re-Recording Mixer |
| Wes Teshome | Executive Producer |
| Kimberly Stuckwisch | Producer |
| Melanie Martinez | Producer |
| Marc Kelly | First Assistant Director |
| Réka Belsö | Second Assistant Director |
| Christina Flannery | Costume Design |
| Gergely Varga | Co-Producer |
| Alissa Torvinen | Co-Director |
| Emilie Aubry | Editor |