Pete 'n' Tillie is a 1972 American comedy-drama film directed by Martin Ritt and starring Walter Matthau and Carol Burnett.

Screenwriter Julius J. Epstein[2] was nominated for an Oscar for adapting the story from the 1968 novella Witch's Milk by Peter De Vries.

When he is not doing odd motivational research for a San Francisco firm, he plays ragtime piano and makes puns.

When she and Jimmy conspire to make Gertrude reveal her true age at long last, the result is a public brawl between the two women.

Writer Julius Epstein said that the film is a combination of a novella by Peter De Vries and "a flop play of mine called But, Seriously.

Carol Burnett received a Golden Globe Award nomination for Best Actress – Motion Picture Musical or Comedy.