After Ann is killed the camera briefly turns to the corpse of Thorburn. During this moment actor Aubrey Morris accidentally twitches.
In the Colorized version, two characters watch a TV news broadcast in colour; colour TV didn't start in the UK until 1967, two years after Blood Beast from Outer Space (1965) was released.
The sphere has an obvious seam which the scientists, who closely examined it, don't seem to notice.