
Lea Katherine Thompson (born May 31, 1961) is an American actress, singer, dancer, and director.
She is best known for her roles as Lorraine Baines-McFly in the Back to the Future film trilogy (1985–1990), Beverly Switzler in Howard the Duck (1986), and Amanda Jones in Some Kind of Wonderful (1987). Other films for which she is known include All the Right Moves (1983), Red Dawn (1984), Dennis the Menace (1993), and The Beverly Hillbillies (1993). In the 1990s, she played the title character in the sitcom Caroline in the City. From 2011 to 2017, she co-starred as Kathryn Kennish in the ABC Family-turned-Freeform series Switched at Birth.

Back to the Future
1985 · as Lorraine Baines

Back to the Future Part III
1990 · as Maggie McFly / Lorraine McFly

Back to the Future Part II
1989 · as Lorraine

The Little Rascals
1994 · as Ms. Roberts

Dennis the Menace
1993 · as Alice Mitchell

Left Behind
2014 · as Irene Steele

Jaws 3-D
1983 · as Kelly Ann Bukowski

Howard the Duck
1986 · as Beverly Switzler

Red Dawn
1984 · as Erica

The Beverly Hillbillies
1993 · as Laura Jackson

Some Kind of Wonderful
1987 · as Amanda Jones

BRATS
2024 · as Self

J. Edgar
2011 · as Lela Rogers

The Wild Life
1984 · as Anita

Going Undercover
1988 · as Marigold de la Hunt

Casual Sex?
1988 · as Stacy

Senior Skip Day
2008 · as Cathleen Harris

Dinner in America
2020 · as Betty