Young Brian | |
 | Martin Jackson |
 | Julie Jackson |
 | Bamber Gascoigne |
University Challenge Competitor | |
 | University Challenge Competitor |
 | Dr. Morrison |
 | Brian Jackson |
 | Tone |
 | Spencer |
 | Josh |
Marcus | |
 | Hippy at the Party |
 | Rebecca Epstein |
 | Patrick Watts |
 | Lucy Chang |
Colin | |
 | Alice Harbinson |
Anthony Salmon (as Reuben Henry Biggs) | |
 | University Challenge Coordinator |
Cleaning Lady (as Su Elliott) | |
 | Waiter |
 | Des |
 | Michael Harbinson |
 | Rose Harbinson |
Cordelia Sykes | |
 | Nigel De Havilland |
 | Tristram Neville |
 | Television Director |
 | Speaker for Nuclear Disarmament |