Revised list
In no particular order
Darth Vader (Star Wars)
Ming the Merciless (Max Von Sydow, Flash Gordon)
Angel eyes (Lee Van Cleef, Good the Bad and the Ugly)
Harry Powell (Robert Mitchum, Night of the hunter)
Lizzy Quinn (Eileen Dromey, Waking Ned)
The Queen (Lucille La Verne, Snow White)
Crassus (Laurence Olivier, Spartacus)
Death (Bengt Ekerot, The Seventh Seal)
Hans Beckert (Peter Lorre, M)