son of dracula (1974)

Sebastian.
Merlin has a cat, who has the ability to transform herself into a human, when needed to show someone to the door. Or be transported to help revive another servant.

magical mystery tour (1967)

Uknown.
Slide of a cats face is super-imposed over George Harrison as he sings Blue Jay Way - very psychedelic!

catch us if you can (1965)

Unknown.
Black cat owned by a swinging couple that pick up Dave Clark and his girlfriend.