Kayden Muller-Janssen
Hartley (20 eps)
Lucy Davis
Eva Madden / Surge (20 eps)
James Patrick Stuart
Vic Madden / Kraniac (20 eps)
Isabella Pappas
Amy Madden / Havoc (20 eps)
Reed Horstmann
Jake Madden / Chaos (20 eps)
Malachi Barton
Colby Madden / Flashform (20 eps)
Patricia Belcher
Celia (5 eps)
Mariah Iman Wilson
Starling (4 eps)
Harrison White
Robert (3 eps)
Steve Blum
Onyx (1 eps)
Alec Mapa
Mr. Tennyson (1 eps)
Isaiah C. Morgan
Milo (1 eps)
Henry Alexander Kelly
Johnny (Bull Attendant) (1 eps)
Lori Mae Hernandez
Starling Fan (1 eps)
Merrick McCartha
Officer Collins (1 eps)
Alec Luis Milewski
Vet Assistant (1 eps)
Kesia Brooke
Veterinarian (1 eps)
Shay Roundtree
Jackson (1 eps)
Ken Heang
Soundcrew (1 eps)
Jaidyn Triplett
Scarlett (1 eps)
Gianna Bilby
Kylie (1 eps)
Rachna Khatau
Donna Plank (1 eps)
John Gowans
Old Man Colby (1 eps)
Tony Llinas
Young Adult Colby (1 eps)
Jonathan Medina
Middle Aged Colby (1 eps)