This documentary clip explores Cary Grant’s late-1950s career peak, from his thrilling turn in Hitchcock’s North by Northwest to his comedic charm in Operation Petticoat and The Grass Is Greener.

There are many famous rumors about stars and the roles they supposedly almost landed — but this time, the rumor is real. Before her 1967 breakthrough in Valley of the Dolls or her 1968 marriage to ...