Wonderblocks Cast & Characters

Wonderblocks (2025) stars Joanna Adeyinka-Burford as Go (voice), Emma Tracey as Stop (voice) and Niamh Webb as Cow (voice) / Froggy (voice). The kids series premiered on CBeebies in 2025. Below is the full cast.

Returning Series 2025 42 Audience

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Starring Cast

Full cast

13 cast members

Joanna Adeyinka-Burford

Go (voice)

Emma Tracey

Stop (voice)

Niamh Webb

Cow (voice) / Froggy (voice)

Hamish Wyllie

Hop (voice) / Moo (voice) / Tip Cereal (voice) / Forwards (voice) Put on Socks (voice)

Bethan Mary-James

Big Bear (voice)

John Hasler

Cluck (voice) / Pour Milk (voice) / Backwards (voice) / Splat Red (voice) / Scoop Sand (voice)

Lucy Montgomery

Secret Agent Chicken (voice) / Put on Boots (voice)

Grace Saif

Little Frog (voice / Little Bear (voice)

Inel Tomlinson

Frog (voice) / Medium Bear (voice)

Isaiah St Jean

Toad (voice) / Little Hoppers (voice)

Kate Harbour

Splat (voice) / Put Down Bowl (voice) / Left (voice) / Open Umbrella (voice) / Splat Yellow (voice) / Splat Blue (voice)

Ashton Frank

Arty (voice) / Sheep (voice)

Ashna Rabheru

Baa (voice) / Right (voice) / Tip Bucket (voice)

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