- Michael Angelis
- Narrator (UK) (segment: "Thomas & Friends: Thomas Sets Sail")
- Jeff Ayers
- Baby Bop (segment: "Barney: The Big Garden / Listen!")
- Alexia Bailey
- Claire (segment: "Barney: The Big Garden / Listen!")
- Lisa Baker
- Mother (segment: "Barney: The Big Garden / Listen!") (as Lisa Baker-Whitfield)
- Michael Brandon
- Narrator (US) (segment: "Thomas & Friends: Thomas Sets Sail")
- Adam Brown
- Riff (segment: "Barney: The Big Garden / Listen!")
- Charlie Cameron
- Gracie (UK) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
- Lachele Carl
- Muck (US) (segment: "Bob the Builder: Roley's Flat Garden")
- Martin Clunes
- Kipper (segment: "Kipper: The Butterfly")
- Maria Darling
- (segment: "Fifi and the Flowertots: Flowertot Rainbow" and "Roary the Racing Car: Roary Sees Red")
- Rupert Degas
- Flex (segment: "Bob the Builder: Roley's Flat Garden")
- Michaela Dietz
- Riff (segment: "Barney: The Big Garden / Listen!") (voice)
- Emily Dormer
- Viki (UK) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
- Kelly Eichenholz
- Melanie (segment: "Barney: The Big Garden / Listen!")
- Dominic Frisby
- (segment: "Roary the Racing Car: Roary Sees Red")
- Keeton Green
- Noah (segment: "Barney: The Big Garden / Listen!")
- Sarah Hadland
- Penny Morris / Bella Lasagne (segment: "Fireman Sam: Fit for Nothing") (voice)
- Kate Harbour
- Wendy (segment: "Bob the Builder: Roley's Flat Garden")
- Sam Hornish Jr.
- Narrator (US) (segment: "Roary the Racing Car: Roary Sees Red")
- Jane Horrocks
- Fifi Forget-Me-Not (segment: "Fifi and the Flowertots: Flowertot Rainbow")
- Julie Johnson
- Baby Bob (segment: "Barney: The Big Garden / Listen!") (voice)
- Lorelei King
- Wendy (US) / Roley (US) (segment: "Bob the Builder: Roley's Flat Garden") (voice)
- Chris Lang
- Kipper's Friends (segment: "Kipper: The Butterfly")
- Marcello Magni
- (segment: "Pingu: Pingu and the Litter")
- Alan Marriott
- Scoop (US) / Travis (US) (segment: "Bob the Builder: Roley's Flat Garden") (voice)
- Emilio Mazur
- David (segment: "Barney: The Big Garden / Listen!")
- Naomi McDonald
- Alice Nimbletoes (UK) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
- Neil Morrissey
- Bob (UK) / Farmer Pickles (UK) (segment: "Bob the Builder: Roley's Flat Garden") (voice)
- Kyle Nelson
- BJ (segment: "Barney: The Big Garden / Listen!")
- Julia Nicholson
- Laura (segment: "Barney: The Big Garden / Listen!")
- Greg Proops
- Bob (US) / Mr. Beasley (US) (segment: "Bob the Builder: Roley's Flat Garden") (voice)
- Rob Rackstraw
- Scoop (UK) / Muck (UK) / Roley (UK) / Travis (UK) / Mr. Bentley (UK & US) / Mr. Beasley (UK) (segment: "Bob the Builder: Roley's Flat Garden") (voice)
- Joanna Ruiz
- James Jones / Sarah Jones (segment: "Fireman Sam: Fit for Nothing") (voice)
- David Sant
- (segment: "Pingu: Pingu and the Litter")
- Kerry Shale
- Big Chris (US) (segment: "Roary the Racing Car: Roary Sees Red")
- Marc Silk
- (segment: "Fifi and the Flowertots: Flowertot Rainbow" and "Roary the Racing Car: Roary Sees Red")
- John Sparkes
- Fireman Sam / Elvis Cridlington / Station Officer Steele / Tom Thomas / Norman Price / The Photographer (segment: "Fireman Sam: Fit for Nothing") (voice)
- Charlotte Spencer
- Angelina Mouseling (UK & US) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
- Carey Stinson
- Barney (segment: "Barney: The Big Garden / Listen!")
- Emma Tate
- Benny / Mrs. Mouseling (segments: "Bob the Builder: Roley's Flat Garden" and "Angelina Ballerina - The Next Steps: Angelina's Nature Dance") (voice)
- Lizzie Waterworth
- AJ (UK) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
- Dean Wendt
- Barney (segment: "Barney: The Big Garden / Listen!") (voice)
- Tim Whitnall
- (segment: "Fifi and the Flowertots: Flowertot Rainbow" and "Roary the Racing Car: Roary Sees Red")
- Louis Williams
- Marco Quesillo (UK) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
- Molly Wilson
- Amy (segment: "Barney: The Big Garden / Listen!")
- Reese Wilson
- Ryan (segment: "Barney: The Big Garden / Listen!")
- Patty Wirtz
- BJ (segment: "Barney: The Big Garden / Listen!") (voice)
- Leah Zabari
- Polly Mouseling (UK & US) (segment: "Angelina Ballerina - The Next Steps: Angelina's Nature Dance")
