Harry Hill
Julie Walters
Nan
Simon Bird
Vet
Guillaume Delaunay
Kisko
Sheridan Smith
Michelle
Julian Barratt
Conch
Johnny Vegas
Abu (voice)
Marc Wootton
Barney Cull
Jim Broadbent
Cleaner
Matt Lucas
Otto
Camilla Beeput
Veterinary Receptionist
Shingai Shoniwa
Station Attendant
Tim Key
Toilet Attendant
Dave Thompson
Brain Number Two
