John Hurt
Snitter (voice)
Christopher Benjamin
Rowf (voice)
James Bolam
The Tod (voice)
Nigel Hawthorne
Dr. Boycott (voice)
Warren Mitchell
Tyson / Wag (voice)
Judy Geeson
Pekinese (voice)
Patrick Stewart
Major (voice)
Brian Stirner
Laboratory Assistant (voice)
Penelope Lee
Lynn Driver (voice)
Geoffrey Matthews
Farmer (voice)
Martin Rosen
Diretor