Générique complet
Sam le pompier : alerte extraterrestre !
Steven Kynman
Fireman Sam / Norman Price (voice)
David Carling
Tom Thomas / Station Officer Steele / Trevor Evans / Mike Flood
Su Douglas
Dylis Price / Mandy Flood / Helen Flood
John Hasler
Arnold McKinley / James Jones
Harriet Kershaw
Bella Lasagne / Ellie Philips (voice)
AL
Alex Lowe
Joe Sparkes / Ben Hooper (voice)
Nigel Whitmey
Moose Roberts (voice)
Jo Wyatt
Lizzie Sparkes / Hannah Sparkes (voice)
David Tennant
Buck Douglas (voice)
Tegwen Tucker
Penny / Sarah / Bronwyn / Mrs. Chen (voice)