Imogen King (Abbie Armstroing): Raíssa Bueno (1ª-2ª Temporadas)
Art Parkinson (Rob Armstrong): Daniel Figueira (1ª-2ª Temporadas)
Elenco Recorrente:
Billy Currid (Cameron Young): DiegoMuras (3ª-)
David Carpenter (Conor Townsend): Thiago Cordova (3ª-)
Emme Hayes (Maddie Townsend): Amanda Tavares (3ª-)
Kerrie Taylor (Ellen Manning): Bia Barros (3ª-4ª Temporadas)
Participações - 1ª Temporada:
Adam Hussain (Josh Nubhai): João Victor Granja
Adam Long (Vincent Chapman): Gabriel Neves
Chanel Cresswell (Jess Meredith): Fernanda Keller
Ciaran Griffiths (Lee Ward): Alexandre Maguolo
Darci Shaw (Holly Meredith): Camila Cristina
Ellie Duckles (Hanna Babakowski): Colombina Rivas
Hazel Ellerby (Sue Mooney): Ximena Araya
Jonas Armstrong (Sean Meredith): Nestor Chiesse
Jordan Mifsud (Krzystof Babakowski): Sérgio Menezes
Liam McCheyne (Jake Meredith): Michel Singer
Louis Greatorex (Sam Hesketh): Danilo Diniz
Lucy Hillyard (Kelly Meredith): Isa Cavalcante
Matthew McNulty (Nick): Rodrigo "Digão" Vicente
Philip Hill-Pearson (Ryan Foley): Fernando Ferraz
Richard Huw (Tom Hayes): Maurício Berger
Roger Barclay (Conselheiro Hesketh): Gustavo Vergani
Tracie Bennett (Margaret Foley): Carla Dias
Emmerick: Isabela Quadros
Participações - 2ª Temporada:
Amy James-Kelly (Grace Marshbrook): Paula Racy
Arian Nik (Theo Anvari): Daniel Bertolucci
Ciara Kaighin Adams (Claire Regan): Bianca Lua
David Lonsdale (Gary): Reinaldo Rodriguez
Jack Archer (Jamie Marshbrook): Diego Muras
Jade Greyul (Lateesha Kharim): Monalisa Capella
James Cosmo (Bill Bradwell): Ricardo Rossatto
Joe Absolom (Andy Warren): Giovane Crema
Julia Haworth (Becky Thrower): Tininha Godoy
Kelcie Atkinson (Cass Hammond): Amanda Tavares
Leo Ashton (Oliver Marshbrook): Michel Singer
Owen McDonnell (Frank Mercer): Josué Galinari
Sharon Small (Rose Marshbrook): Amazyles de Almeida
Stephen Tompkinson (Stephen Marshbrook): Silvio Toledo
Steven Elder (DCI Robert Pearson): Gilmar Lourenço (1ª voz)
Steven Robertson (Mark Bradwell): Fernando Ferraz
Sunetra Sarker (Stella Bradwell): Gisele Vechin
Wendy Kweh (Lyn Chee): Maitê Cunha
Viktor: Rogério Ferreira
Participações - 3ª Temporada:
Adam Astill (Mike Williams): Ênio Vivona
Anna Chell (Kerry Lockwood): Marcella Almeida
Ash Tandon (Kareem Riaz): Gustavo Vergani
Ben Cartwright (Paul Archer): Marcello Trigo
Bobby Brown (Damian Harrington): Vitor Coldibelli
Conor Lowson (Jordan Rooney): Lucas Almeida]
Deepica Stephen (Shirin Persaud): Thayná Cavalcanti
Gary Lewis (Vinnie Morrison): Maurício Berger
Isabel Caswell (Molly Williams): Stephany Custodi
Jacob Butler (Kieran Manning): André Schmidt
Javed Khan (Imam): Luiz Nunes
Jenny Platt (Emma Williams): Estela Ribeiro
Joel Phillimore (Kyle Williams): Guilherme Conradi
Macaulay Cooper (Tyler Quinn): Rodrigo Martim
Mark Stanley (Warren Pryce): Anderson Araújo
Michael Karim (Adnan Rahman): Bruno Casemiro
Nadeem Islam (Jamal Rahman): Diego Muras
Oliver Alvin-Wilson (Guy Townsend): Alexandre Maguolo
Rachael Hilton (Liz): Marcella Almeida
Rina Mahoney (Mariam Rahman): Nadine Barthman
Shaban Dar (Nazir): Ricardo Campos
Vincent Regan (Ray Conlon): Gilmar Lourenço
Zahra Ahmadi (Shazia Riaz): Ana Maria Morais
Outras Vozes:
Anderson Araújo, Daniel Bertolucci, Lilian Prado, Marcella Almeida.
Participações - 4ª Temporada:
Arthur Kay (Lewis Walsh): Rafael Camacho
Chris Coghill (Alex Kirby): Renan Freitas
Chris Lei (Lee Chen): Guto Nejaim
Claire Goose (Jacqui Fisher): Ana Maria Morais
Dawn Butler (Carol Jennings): Mana Muniz
Ella Smith (Amy Metcalf): Monalisa Capella
Eloise Thomas (Izzy Metcalf): Camila Cristina
Eugene Collins (Mal Haworth): Mário Spatizziani
Ian Puleston-Davies (Terry Mcgregor): Mauro Gasperini
Jenny Gregson (Ethel Brown): Flávia Saddy
Joe Armstrong (Dean Metcalf): Roberto Garcia
Karl Davis (Carl McGregor): Gustavo Oliveira
Kate Hampson (Kim Walsh): Guilene Conte
Keith Faulkner (Phil Jennings): Marcelo Trigo
Kru Lundy (Darren Holt): Gilmar Lourenço
Lindsay Eavis (Anne Walmsley): Ximena Araya
Poppy Jahkra (Fatima Amin): Juliana Máximo
Rakhee Sharma (Sra. Bhula): Carol Crespo
Robert Beck (Len Reid): Gilmar Lourenço
Rob Pomfret (Detetive Ward): Fernando Ferraz
Sara Galvin (Dra. Jan Swindell): Regina Remencius
Scarlett Archer (Becca Simpson): Linn Jardim
Tom Ryder (Shane Bell): Ricardo Campos
Tom Taylor (Matt Metcalf): Ricardo Daunt
Victoria Elliott (Beth Metcalf): Rita Oliveira
Will Oldfield (Jonas Metcalf): Thayná Cavalcanti
Chloe: Daniella Faria
Clarkie: Dláigelles Silva
Participações - 5ª Temporada:
Beverly Green (Sarah Stuart): Gisele Magri
Ceallach Spellman (Bradley Dawson): Demetrios Augustus
Chase Buckley (Will Tyler): Monalisa Capella
Claire Lacey (Janet Ingham): Regina Remencius
David Troughton (Tommy Campbell): Ricardo Rossatto
Debbie Branan (Georgia Tyler): Gabi Martins
Emmanuel Ighodaro (Gaz Archer): Alexandro Borba
Gilly Daniels (Sra. Price): Monica Toniolo
Hayley Standing (Dawn Anthony): Nadine Barthmann
Helen Minassian (Jean Blacklock): Regina Remencius
Holly Maguire (Emma Bradshaw): Gabriella Aly
Irvine Iqbal (Hassan Rachid): Rodrigo "Digão" Vicente
John Askew (Harry Anderson): Jonas Falcão
Kirsty Averton (Ellie Cooper): Nadine Burgugi
Kyle Samuel (Cal O'Neill): Samuel Mota
Leanne Best (Julie Ashworth): Beatriz Meinberg
Lesley Molony (Susan Garvey): Monica Toniolo
Lex Shrapnel (David Wallasey): Cid Fernandes
Liz Simmons (Jodie Richards): Gabi Martins
Lorna Brown (Detetive Hardy): Gisele Vechin
Lucinda Sinclair (Dra. Catalina Marshall): Monique Gusmão
Lucy Chambers (Poppy Richards): Ana Paula Oliveira
Max Ferguson (Elliott Hayes): Bruno Marçal
Neil Maskell (Steve Dawson): César Marchetti
Nick Dutton (Johnny Chips Rafferty): Fernando Ferraz
Nicole Sargent (Samira Nurbhai): Bia Barros
Olwen May (Lou McClaren): Melise Maia
Rakhee Sharma (Sra. Bhula): Monique Gusmão (2ª voz)
Sacha Parkinson (Lainey Gibson): Juliana Gonçalves
Stephen Wight (Craig Ashworth): Washington Poppi
Steven Elder (Robert Pearson): Francisco Freitas (2ª voz)
Steven Price (Mickey McManners): Gilmar Lourenço
Suzanne Packer (Anne Jackson): Ximena Araya
Tara Lynne O'Neill (Sinead Flanagan): Claudia Victoria
Tom Lister (Phil Bainbridge): Samuel Mota
Outras vozes:
Alexander Vestri, Alexandro Borba, Amanda Moreira, Ana Paula Oliveira, Bruno Marçal, Cid Fernandes, Claudia Victoria, Fernando Ferraz, Francisco Freitas, Gilmar Lourenço, Gustavo Martinez, Jonas Falcão, Juliana Gonçalves, Laura Paro, Lilian Prado, Monalisa Capella, Monica Toniolo, Monique Gusmão, Rodrigo "Digão" Vicente, Thayná Cavalcanti.
Ted Jan Roberts (Príncipe Dex/Masked Rider): Paulo Vignolo
David Stenstrom (Hal Stewart): André Bellisar
Candace Kita (Barbara Stewart): Geisa Vidal
Rheannon Slover (Molly Stewart): ?
Ashton McArn (Albee Stewart): Rodrigo Antas
Aliados:
Jason Narvy (Chopper): Sérgio Stern
Winston Story (Donais/ Robôrider): Marco Antônio Costa
Vilões:
Ken Ring (Conde Dregon): Paulo Flores
Jennifer Tung (Nefaria): Mariangela Cantú
Steve Kramer (Cyclopter): Carlos Roberto
Michael Sorich (Duas Caras): Mário Tupinambá
Michael McConnohie (Gork): Mário Cardoso
Julie Maddalena (Fato): Marly Ribeiro
Monstros:
Bob Papenbrook (Edentada): Duda Ribeiro (ep. 08)
Outros Personagens:
Don Yanan (Diretor Henry Chalmers): Waldyr Sant'anna
Libby Letlow (Patsy Carbunkle): Mariana Torres
Matthew Bates (Herbie): Luiz Sérgio Vieira
Narrador da abertura: Edmo Luís, Waldyr Sant'Anna
Locutor: Edmo Luís
Nota: Alguns dizem que a série foi exibida na Globo, porém isso é apenas uma confusão, já que o que ela realmente exibiu foi o especial de 3 partes de Power Rangers em que o Masked Rider aparece.
Outras Vozes:
Alex Barone, Arthur Machado, Carla Martelli, Cássia Bisceglia, Charles Dalla, Dado Monteiro. Diego Lima, Francisco Junior, Fritz Gianvito, Gilmar Lourenço, Karen Ramalho, Letícia Quinto, Marco Antônio Abreu, Ramon Campos, Renan Gonçalves, Rodrigo Horta, Rogério Viggiani, Thaynara Bergamin, Vinícius Falabella, Wilken Mazzei.
