Kadro (15)
Alastair SimCapt. William Paris
Elizabeth AllanAngela Prout
Roland CulverGeorge Prout
George ColeSoldier in Brains Trust audience
Colin GordonProfessor Mutch
Martita HuntLady Dodd
Janet BrownJessie
Peter MartynWalter
Miles MallesonDr. Hector McAdam
Edward ChapmanJoseph Byres M.P.
Cyril ChamberlainDrill Sergeant
Michael RipperDrill Corporal
Robin BaileyIntellectual CorporalMichael KellyStaff SergeantPatrick WestwoodSoldier in Pub