Lính Cứu Hỏa Sam Báo Động Người Ngoài Hành Tinh

Alex Lowe

Joe Sparkes / Ben Hooper (voice)

David Carling

Tom Thomas / Station Officer Steele / Trevor Evans / Mike Flood

David Pickvance

David Tennant

Buck Douglas (voice)

Gary Andrews

Harriet Kershaw

Bella Lasagne / Ellie Philips (voice)

John Hasler

Arnold McKinley / James Jones

Jo Wyatt

Lizzie Sparkes / Hannah Sparkes (voice)

Laura Beaumont

Nigel Whitmey

Moose Roberts (voice)

Paul Larson

Steven Kynman

Fireman Sam / Norman Price

Su Douglas

Dylis Price / Mandy Flood / Helen Flood

Tegwen Tucker

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