John Hurt

as Snitter (voice)

Christopher Benjamin

as Rowf (voice)

James Bolam

as The Tod (voice)

Nigel Hawthorne

as Dr. Boycott (voice)

Warren Mitchell

as Tyson / Wag (voice)

Judy Geeson

as Pekinese (voice)

Patrick Stewart

as Major (voice)

Brian Stirner

as Laboratory Assistant (voice)

Penelope Lee

as Lynn Driver (voice)

Geoffrey Matthews

as Farmer (voice)

Barbara Leigh-Hunt

as Farmer's Wife (voice)

John Bennett

as Don (voice)

John Franklyn-Robbins

as Williamson (voice)

Bill Maynard

as Editor (voice)

Malcolm Terris

as Robert (voice)

Rosemary Leach

as Vera (voice)