Ferdia Shaw as Artemis Fowl II

Colin Farrell as Artemis Fowl I

Lara McDonnell as Captain Holly Short

Josh Gad as Mulch Diggums

Tamara Smart as Juliet Butler

Nonso Anozie as Butler

Joshua McGuire as Briar Cudgeon

Judi Dench as Commander Root

Nikesh Patel as Foaly

Adrian Scarborough as The Goblin Chief

Michael Rouse as Reporter

Racheal Ofori as Reporter 2

Simone Kirby as Mrs. Byrne

Joe O'Grady as Student 1

Finian Duff Lennon as Student 2

Grace Fincham as Student 3

Toby Eden as Student 4

Gerard Horan as Dr. Po

Emily Brockmann as Shadowy Female Figure

Jessica Rhodes as Shadowy Female Figure

Charlie Cameron as Shadowy Female Figure / Goblin Clay

Susannah Hewlett as Presenter (Haven City TV)

Eleanor de Rohan as Haven City News Presenter

Rachel Denning as Clay Moore

Ben Goffe as Peaty Boggs

Emma Lau as Goblin 1

Conor MacNeill as Goblin Lieutenant

Arian Nik as Kanker (Verbil Squad)

Michael Abubakar as Burr (Verbil Squad)

Chi-Lin Nim as Trouble Kelp

Lewy Xing as Grub Kelp

Matt Jessup as Bud (Kelp Squad)

Molly Harris as Chrys

Sally Messham as Sky Willow

Jake Davies as Chix Verbil

Grace Molony as Jasmine Sapwood (Command Centre)

Catherine Palmieri as Italian Woman

William Moseley as Italian Man

India Lewis as Italian Bride

Hamish McColl as Italian Singer

Salome Cosgrove as Italian Girl

Adam Basil as VFX Troll

Taylor James as VFX Facial Troll

Michael Peluso as Italian Groom

Harry Lister Smith as Brother of the Groom

Ayesha Antoine as Italian Bridesmaid

Jimmy Yuill as Fisherman (Time Freeze)

Gavin Esler as Reporter

Hong Chau as Opal Koboi (uncredited)

Miranda Raison as Angeline Fowl (uncredited)

Laurence Kinlan as Beachwood Short (uncredited)

Jean-Paul Ly as Nguyen Xuan (uncredited)

Max Robson as School Kid (uncredited)

Sofia Abbasi as Haven City Resident (uncredited)

Henrihs Ahmadejevs as LEP Technician (uncredited)

Colin Blyth as Lava Chute Man (uncredited)

Susanne Brown as Construction Worker (uncredited)

Leon Corbin as Urban Passenger (uncredited)

Jordan Dumaurier as LEP Commander (uncredited)

Daniel Eghan as Wedding Guest (uncredited)

Helen Iesha Goldthorpe as Mum (uncredited)

Mark Gooden as Italian Wedding Guest (uncredited)

Ruth Clarson as News Anchorwoman (uncredited)

Lee Edward Jones as Goblin (uncredited)

Jackson Kai as LEP Officer (uncredited)

Giuseppe Lentini as Goblin (uncredited)

Nate Leung as School Kid (uncredited)

Antonio Mancino as Priest (uncredited)

Katarina Martin as Journalist / Photographer (uncredited)

Bradley Wj Miller as Lava Chute Controller (uncredited)

Emily Ng as LEP (Lower Elements Police) (uncredited)

Peter Pedrero as Italian Wedding Guest (uncredited)

Diana Alexandra Pocol as LEPrecon Private (uncredited)

Sid Sagar as Man Eaten By Troll (uncredited)

Atul Sharma as Civilian (uncredited)

Teresa Shaughnessy as Plane Passenger (uncredited)

Fran Targ as Resident Haven City (uncredited)

Alisha Tarran as LEP Officer (uncredited)

Bao Tieu as Grub Double (uncredited)

Matt Townsend as LEP Officer (uncredited)

Elena Valdameri as Italian Villager (uncredited)

Crystal Wingx as Flower Market Customer (uncredited)