Sam Tân

David Carling
Station Officer Steele / Trevor / Tom / Mike (voice) / Station Officer Steele / ...

Su Douglas
Dilys / Mandy / Helen (voice) / Dilys / Mandy / Helen / Lily (voice)

Tegwen Tucker
Penny / Sarah / Bronwyn (voice) / Penny / Sarah / Bronwyn / Mrs. Chen (voice)

Steven Kynman
Sam / Elvis / Norman / Derek / Charlie (voice) / Sam / Elvis / Norman / James / ...

Ifan Huw Dafydd
Gareth (voice)

Nigel Whitmey
Moose (voice)

John Hasler
James (voice) / James / Professor Pickles (voice)

Jo Wyatt
Hannah / Lizzie (voice)

Alex Lowe
Ben / Joe (voice)

Gareth Lewis
All Characters (voice)

John Sparkes
Male Voices (voice)

Joanna Ruiz
Female Voices (voice)

Sarah Hadland
Female Voices (voice)

Harriet Kershaw
Ellie / Bella (voice)