Who played The Merry Widow (1925) and whose widow was she?

Mae Murray played the title role in The Merry Widow (1925) directed by Erich von Stroheim.

Her character, Sally O’Hara, was the widow of Baron Sadoja (Tully Marshall).

Who played the object of Lon Chaney's affections in The Phantom of the Opera (1925)? Mary Philbin was Christine Daae, protegee of Erik, the Phantom (Chaney) in The Phantom of the Opera (1925).
Do female black widow spiders kill and eat their mates after sex? Sometimes. What makes them decide to do so is uncertain.
Who played Josephine the Plumber and what did she advertise? Jane Withers was Josephine the Plumber, who sang the praises of Comet Cleanser in the 1960s.
Who played the couple whose marriage was explored in Scenes from a Marriage (1973)? Liv Ullmann and Erland Josephson played Marianne and Johan in the Ingmar Bergman film Scenes from a Marriage (1973).
Whose hand played Thing on the TV series "The Addams Family" (ABC, 1964-66)? Ted Cassidy's hand played Thing on the TV series "The Addams Family" (ABC, 1964-66). He also played the butler, Lurch.
What was the sequel to the silent version of The Mark of Zorro (1925)? The sequel to the silent version of The Mark of Zorro (1925) was Don Q, Son of Zorro (1925). Douglas Fairbanks played Don Diego Vega (Zorro) in…