Thunderbirds Are Go returns in May to ITV & CITV with all-new epic episodes featuring a whole host of incredible guest voice actors. Jennifer Saunders (Absolutely Fabulous, French & Saunders) voices Helen Shelby, a no-nonsense biologist who designed the stunning Supreme Barrier Reef. Alan Ford (Lock, Stock and Two Smoking Barrels, Snatch) returns as cockney Light-Fingered Fred, joined by Larry Lamb (Eastenders, Gavin & Stacey) *as Gomez – two ‘friends’ from Parker’s criminal past who want to use FAB1 as a getaway car in their criminal exploits. Sylvester McCoy (Doctor Who*) stars as Aezethril the Wizard, a whacky and dramatic inventor of holographic game park ‘Cavern Quest’, a real-life experience based on one of Alan Tracy’s favourite video games.

The guest cast list for these episodes includes:

Alan Ford (Lock, Stock and Two Smoking Barrels), returning as Light-Fingered Fred

Jennifer Saunders (Absolutely Fabulous) as Helen Shelby

Larry Lamb (Eastenders) as Gomez

Marcel McCalla (*Footballers’ Wives) *as Robbie

Navin Chowdhry (Star Wars: The Last Jedi) as Cameron

Nina Sosanya (Love, Actually, W1A) as Asher

Sylvester McCoy (Doctor Who) as Aezethril the Wizard

Tom Rosenthal (Friday Night Dinner, Plebs), returning as Brandon Berrenger

Vas Blackwood (Lock, Stock and Two Smoking Barrels), returning as Pirate Reece

They join the returning cast:

Rasmus Hardiker as Scott Tracy and Alan Tracy

David Menkin as Virgil Tracy and Gordon Tracy

Thomas Brodie-Sangster as John Tracy

Angel Coulby as Tanusha “Kayo” Kyrano

Kayvan Novak as Brains

Rosamund Pike as Lady Penelope Creighton-Ward

David Graham as Aloysius Parker

Andres Williams as The Hood

Chris Jarman as The Mechanic

Aimee Ffion-Edwards as Havoc

Craig Stein as Fuse

Sandra Dickinson as Grandma Tracy

Adjoa Andoh as Colonel Casey

Teresa Gallagher as EOS