Time Travel Is Dangerous!

Ruth Syratt

as Ruth

Megan Stevenson

as Megan

Stephen Fry

as Narrator (voice)

Johnny Vegas

as Robert / Botty

Brian Bovell

as Ralph Sheldrake

Sophie Thompson

as Valerie

Guy Henry

as Martin

Tony Way

as Peter

Tom Lenk

as Alex

Laura Aikman

as Young Valerie

Kiell Smith-Bynoe

as Young Ralph

Jane Horrocks

as The Aviator

Mark Heap

as The Regency Dandy

Anya Rivers

as Tracey

Brian Blessed

as Gavin the Octopus (voice)

Simon Killick

as Rick

Rosa Gee

as Young Ruth

Matthew Michaelson

as Builder Dave

Ed Francis

as Guy in Band

Pat O'Connor

as Brenda

James McClelland

as Toilet Man

Alex Horne

as The Unreason Band (as the Horne Section)