Danger Mouse

Andrew Dillon

Alexander Armstrong

Danger Mouse, Sinister Mouse, Derek Mullard

Kevin Eldon

Penfold, Baron Silas Von Penfold, Robo-Penfold, Baron Silas von Penfold, Cousin Pinfold, Penny Fold

Dave Lamb

The Narrator, Stiletto, Norman, Newscaster, Translation Device

Stephen Fry

Colonel K, Colonel K., Criminal K, Danger K

Shauna Macdonald

Professor Squawkencluck, Big Head, HEAD

Ed Gaughan

Baron Greenback, Baron Silas von Greenback, Pandaminion, Quark, Big Mike, Danger Toad, Announcer, Elon Muskrat, Pandominion, Simon Owl, Snuggles, Various

Marc Silk

Nero, Headless Postman, Little boy, Nero Clone Army, Robot Dog, Various, Various Professors

Morwenna Banks

Danger Moth, Dawn, The Queen, Delilah von Greenback, Ivana the Invisible, Scarlett Johamster, The Princess, Mandy, Tour Guide, Agent of Hydrant, Alien Tourist, Award Show Host, Cupcake, Danger Babies, Danger Bug, Danger Puppy, Danger-Nav, Doris, Granny, Mrs. Squawkencluck, Queen, Queen Space Bee, Scientist, Sinister Moth, Teacher, Various

Rasmus Hardiker

Count Duckula, Ian, General E. Normus Schwartznut, Jimmy Camel, Monsieur le Camembert, Birch Badboy, Danger Hedgehog, Merlin, Agent 58, Agent of Hydrant, Danger Cash, Danger Mole, Danger Sheep, Delivery Man, Doctor, Hazzard Mouse, Laughing Dog, Mr. Squawkencluck, Quark, Tutanchamoo, Who Wants to marry a Queen announcer

Kayvan Novak

Dr. Loocifer, Megahurtz, Isambard King Kong Brunel, Birch Badboy, King Kong Brunel, Dr. Loo-cifer, Isambard Kingkong Brunel, Agent of Hydrant, Blind salesman, Isembard King Kong Brunel, Martin Horsese, Mr. McGillicutty, Rhino Warrior, Tutan Khamoo

Lena Headey

Jeopardy Mouse

Maya Sondhi

Coney, Flarg's girlfriend, Giraffe Limo driver, Perfectionism, Spartacow, Various

Richard Ayoade

The Snowman, Birch Badboy

John Oliver

Augustus P. Crumhorn IV

Miranda Richardson

Queen of Weevils

Richard Osman

Professor Strontium P. Jellyfishowitz

Lindsey Russell

Hissteria

Ben Willbond

Professor Ham Hands

Brian Blessed

Santa Claus

Matt Jones

Zeus