John Barrowman as Flex Dexter (voice)

Steven Kynman as Fireman Sam / Elvis Cridlington / Norman Price / Derek Price / Charlie Jones / Truck Driver (voice

David Carling as Station Officer Steele / Chief Fire Boyce / Tom Thomas / Trevor Evans (voice)

Su Douglas as Dilys Price / Mandy Flood / Helen Flood (voice)

John Hasler as Arnold McKinnley / James Jones (voice)

Tegwen Tucker as Penny Morris / Sarah Jones (voice)

Harriet Kershaw as Ellie Phillips / Bella Lasagna (voice)

Alex Lowe as Joe Sparkes / Ben Hopper (voice)

Kerry Shale as Don Sledgehammer (voice)

Nigel Whitmey as Moose Roberts (voice)

Jo Wyatt as Hannah Sparkes (voice)

Chris D'Silva as James Jones (voice)