Suggestions by @aleksimalkavaara

John de Lancie

as Best Villain in Best & Worst of Sci-Fi

Thomas F. Wilson

as Best Villain in Best & Worst of Sci-Fi

Orson Welles

as Best Villain in Best & Worst of Sci-Fi

Nicholas Briggs

as Best Villain in Best & Worst of Sci-Fi

Dean Stockwell

as Best Villain in Best & Worst of Sci-Fi

Anis Cheurfa

as Best Villain in Best & Worst of Sci-Fi

Jeff Bridges

as Best Villain in Best & Worst of Sci-Fi

David Warner

as Best Villain in Best & Worst of Sci-Fi

Isaac Hayes

as Best Villain in Best & Worst of Sci-Fi

Götz Otto

as Best Villain in Best & Worst of Sci-Fi

Gary Oldman

as Best Villain in Best & Worst of Sci-Fi

Woody Harrelson

as Best Villain in Best & Worst of Sci-Fi

Toby Kebbell

as Best Villain in Best & Worst of Sci-Fi

James Gregory

as Best Villain in Best & Worst of Sci-Fi

Maurice Evans

as Best Villain in Best & Worst of Sci-Fi

Hugo Weaving

as Best Villain in Best & Worst of Sci-Fi

Hugh Keays-Byrne

as Best Villain in Best & Worst of Sci-Fi

Lena Headey

as Best Villain in Best & Worst of Sci-Fi

Kurtwood Smith

as Best Villain in Best & Worst of Sci-Fi

Ronny Cox

as Best Villain in Best & Worst of Sci-Fi