On screen
Cast
11 credited performers
Mark Gatiss
Terry Scanlon
Tony Adams
Mark Elgin
Stewart Bevan
Professor Clifford Jones
Artwork unavailable
Roy Evans
Talfryn Pritchard
Ian Hallard
Gary Talbot
Artwork unavailable
Julia Dalkin
Janet
Jonathan Rigby
Sir Alec Douglas-Hodge
Artwork unavailable
David Rees Talbot
Evan Evans
Alexander Kirk
Hopkins the Security
Jerome Willis
Jocelyn Stevens
John Dearth
BOSS (voice) (archive footage)