Guest Stars Sean Hughes as Poet George Antoni as Bookman Eric Sykes as Mollocks Cameron Powrie as Titus Caroline Nelson as Wild Girl Martin Clunes as Professor Flower Steve Pemberton as Professor Mule Mark Williams as Professor Perch Spike Milligan as De'Ath James Dreyfus as Professor Fluke Phil Cornwell as Professor Shred Tim Barlow as Boatman Gregor Fisher as The Fly Lewis Rose as Doggit