Jennifer Saunders
— Hannah
Dawn French
— Caroline
Lenny Henry
— Steve Wild
Ronald Allen
— Professor Roland Breeze
Leslie Phillips
— Dean
Nigel Planer
— Steve's Manager/1st MI5 Man
Adrian Edmondson
— 2nd MI5 Man / Fan
Peter Richardson
— Phil
Pete Richens
— 3rd MI5 Man/Don
Graham Crowden
— Professor Temple
Ronald Fraser
— Geoffrey
Jimmy Fagg
— Don
Norman Matson
— Don