Hillary Brooke (born Beatrice Sofia Mathilda Peterson;[1] September 8, 1914 – May 25, 1999) was an American film actress.

A 5′6″ blonde from the Astoria neighborhood of New York City's borough of Queens, Brooke, who was of Swedish ancestry,[2] started work as a model while attending Columbia University.

On The Abbott and Costello Show, produced in the early 1950s and syndicated for many years afterward, Brooke played the role of a straitlaced, classy tenant of the rooming house where the two main characters lived.

Brooke's other movie credits include Jane Eyre (1943), The Enchanted Cottage (1945), Lucky Losers (1950) with The Bowery Boys, the Alfred Hitchcock thriller The Man Who Knew Too Much (1956), the 3-D film The Maze (1953), and William Cameron Menzies classic Invaders from Mars(1953).

On September 28, 1957, she played Doris Cole in the second episode of Perry Mason, titled "The Case of the Sleepwalker's Niece".

She retired from television in 1960 following guest appearances on Richard Diamond, Private Detective as Laura Renault and in Michael Shayne as Greta Morgan.