In what Japanese horror film do Mothra, Rodan, and Godzilla appear?

Mothra, Rodan, and Godzilla appear in the Japanese horror film Ghidrah, the Three-Headed Monster (1965), directed by Inoshiro Honda.

Who played the boy who befriends the rat in Ben (1972)? Lee Harcourt Montgomery played Danny Garrison, a boy with a heart condition and a friend of Ben in the movie Ben (1972).
What part did director Ken Russell play in The Russia House (1990)? Director Ken Russell played the spy master Walter in The Russia House (1990).
Who created the monster costume for Creature from the Black Lagoon (1954)? Bud Westmore and Jack Kevan created the monster costume for Creature from the Black Lagoon (1954). Ben Chapman played the Gill-Man above water; swimming champion Ricou Browning played him underwater.
What was the name of the prehuman species resurrected in Schlock (1973)? Schlockthropus was the name of the prehuman species resurrected in Schlock (1973). The Schlockthropus is played by twenty-two-year-old John Landis in his directorial debut. The film is also known as The Banana Monster.
Who was Robin in Robin and the Seven Hoods (1964)? Robbo, the character "inspired" by Robin Hood, was played by Frank Sinatra. Among the hoods were Dean Martin as Little John and Sammy Davis, Jr., as Will.
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).