Cast of Horrible Science

Main cast

Alexander Armstrongas Tannoy

Tom Bellas Bob

Letty Butler

Letty Butleras Lucy

Jason Forbesas Junior

Eleanor Lawrenceas Professor Small

Chris Martinas Mark

Ben Milleras McTaggart

Susan Wokomaas Dr. Sensible

Marcus Garveyas Galileo

David Armandas Alexander Bell

Thom Tuck

Thom Tuckas Robert Hooke