Except for Hitchcock himself who has appeared in more Alfred Hitchcock films than anyone else?
Cary Grant appeared in four Hitchcock films - more than any other actor.
Suspicion
Notorious
To Catch A Thief
North By Northwest
* (almost right)
Jimmy Stewart also appeared in four Hitchcock films.
Rope
Rear Window
The Man Who Knew Too Much
Vertigo
BUT... Leo G. Carroll appeared in six Hitchcock films
Alfred Hitchcock is seen walking along the street after the opening credits in?
Alfred Hitchcock was seen walking on the street shortly after the opening credits in five movies:
Vertigo (1958)
Hitchcock can be seen in a gray suit walking down the street, 11 minutes into the movie.
North By Northwest (1959)
Hitchcock is seen missing a bus during the opening credits.
Psycho (1960)
Hitchcock can be seen four minutes in, through Janet Leigh's window. She is sitting at her desk at the bank, and Hitchcock walks by on the street wearing a cowboy hat.
The Birds (1963)
Hitchcock is seen on the street leaving the pet shop with two white terriers as Tippi Hedren is entering the shop.
Rope (1948)
Hitchcock walking along a street (holding a newspaper) after the opening credits.