- Steven Kynman
- Fireman Sam / Derek Price / James Jones / Norman Price (voice)
- David Carling
- Station Officer Steele / Charlie Jones / Chief Fire Officer Boyce / Trevor Evans / Tom Thomas / Mike Flood / Elvis Criddington / Moose Roberts / Gareth Griffiths (voice)
- Su Douglas
- Dilys Price / Helen Flood / Mandy Flood / Lily Chen / Bella Lasagne / Phylis Abney (voice)
- Tegwen Tucker
- Sarah Jones / Bronwyn Jones / Penny Morris / Mrs. Chen (voice)
- John Hasler
- Fireman James
- Ifan Huw Dafydd
- Grandfather
- Nigel Whitmey
- (voice)
