Mist: The Tale of a Sheepdog Puppy (2006) 
BASED ON THE STORY AND CHARACTERS BY DAVID KENNARD
Mist: The Tale of a Sheepdog Puppy is a British family television film following the life of a border collie puppy as she grows up to become a working Herding dog. Part fiction, part documentary, it was filmed by real-life shepherd David Kennard on his farm in Devon. It features his seven working dogs - the puppy Mist, her gentle mother Gail, grandfather 'Sir' Gregory, eccentric, bubbly, hyper uncle Jake, sour and negative great-auntie Fern, gruff, tough cousin Ernie and wise auntie Swift. [Wikipedia]
Directed by Richard Overall
DETAILS
RUNTIME 1h 16min GENRES TV Movie, Family, Comedy STUDIOS Channel 5 COUNTRIES UK LANGUAGES English More Details at TMDBCAST
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Brian Blessed Sir Gregory (voice)
Mel Giedroyc Mist (voice)
Derek Jacobi Narrator (voice)
Clive Russell MacPherson (voice)
Una Stubbs Fern (voice)