Crossword puzzle clue "actor singer whose real name was leek"

Actor-singer whose real name was Leek

Actor whose first name is the title of a Best Picture he co-starred in, and whose last name is that film's director

Actor whose real name was Wm. H. Pratt

Singer Cooper whose real first name is Vincent

One-named singer whose real first name is Robyn

Singer whose real name is Gordon Sumner

Took a leek?

Leek relative