Trivia: After Elaine screams and landlord Norman Fell comes to Benjamin's door, one of the boarding-house kids asks, "Should I get the cops?" Look closely: That kid is Richard Dreyfus.
Trivia: Mrs. Robinson is supposed to be much older than Ben. In fact Anne Bancroft was only six years older than Dustin Hoffman.
Trivia: A change from the theatrical re-release for the 25th anniversary and the video release. In the first Taft Hotel bedroom scene, a nervous Ben asks Mrs. Robinson if she would like "Wood or Wire [hanger]?" In the theater, her response was, "wood." Which led to the wonderful pratfall of Ben trying to take the wood one, which wouldn't come off. But it was changed in the 25th anniversary video release and her response was, "Either one would be fine."
Trivia: The stocking-clad leg in the film's promotional poster isn't Anne Bancroft's, its actress Linda Grey's leg.
Trivia: Even though Anne Bancroft plays Katharine Ross' mother in the movie, she was only 8 years older than Ross.
Trivia: William Daniels plays Dustin Hoffman's father in the movie, even though in real life he's only 10 years older than Hoffman.
Trivia: In the night scene that was filmed in North Beach on Broadway you can see Hoffman almost get into a real fist fight with drunks who were not members of the cast.
Trivia: When Ben rings up Mrs Robinson, to ask her to have sex with him in the hotel, and she says she'll be thirty minutes. While waiting for her, Ben goes into the ballroom, where an affair is taking place. The two women who greet Ben are both regulars in the TV series "Bewitched"; the first is Alice Ghostley who played Esmeralda their jittery maid, and the second is Marion Lorne who played Aunt Clara, Sam's whacky aunt who often lands in the fireplace, when her radar for landing spots goes mad, again.