The Talking Parcel is based on a 1974 book by Gerald Durrell in which a young girl is transported to the fantasy land of Mythologia to save it from cockatrices. She is aided by a talking parrot and encounter many other magical creatures, including a mooncalf.
Oswald, the Sea Serpent

Windsor Davies
Chief Cockatrice

Peter Woodthorpe
Werewolf
Harvey Ashby
Duke Wensleydale