Seven degrees of Sherlock Holmes - 'Plan 9 from Outer Space'
'Plan 9' made in 1956 (premiered 1957)
Starred Gregory Walcott 1928. . .
who took part in the 1974 movie 'The Sugar Land Express'. . .
which was directed by a young Steven Spielberg (1946). .
who's studio made 'Young Sherlock Holmes' 1985 . .
Gregory also took part in a couple movies with Clint Eastwood, whom we have already made a Sherlockian connection with.
Thanks Brad! for the inspiration.