Steven Kynman
Sam / Elvis / Norman / Derek / Charlie / Jerry Lee (voice) (25 eps)
David Carling
Station Officer Steele / Chief Fire Officer Boyce / Trevor / Tom / Mike (voice) (25 eps)
Su Douglas
Dilys / Mandy / Helen / Lily (voice) (25 eps)
Tegwen Tucker
Penny / Sarah / Bronwyn / Mrs. Chen (voice) (25 eps)
Harriet Kershaw
Ellie / Bella (voice) (25 eps)
Jo Wyatt
Hannah / Lizzie (voice) (25 eps)
John Hasler
James / Professor Pickles (voice) (25 eps)
Ifan Huw Dafydd
Gareth (voice) (25 eps)
Nigel Whitmey
Moose (voice) (25 eps)
Alex Lowe
Ben / Joe (voice) (25 eps)