Melissa Gilbert

(credit: Andrew H. Walker/Getty Images)

Kathie Lee Gifford was raised Jewish.

(credit: Mike Coppola/Getty Images)

Gina Gershon

(credit: Will Ragozzino/Getty Images)

Sarah Michelle Gellar

(credit: Stephen Lovekin/Getty Images)

Brad Garrett

(credit: Kevin Winter/Getty Images)

Al Franken

(credit: Cory Ryan/Getty Images)

Harrison Ford

(credit: Frazer Harrison/Getty Images for AFI)

Fyvush Finkel

(credit: Bryan Bedder/Getty Images)

Jon Favreau

(credit: Kevin Winter/Getty Images)

Zac Efron

(credit: Kevin Winter/Getty Images)

David Duchovny

(credit: John Shearer/Getty Images)

Richard Dreyfuss

(credit: Michael Buckner/Getty Images)

Fran Drescher

(credit: Frazer Harrison/Getty Images)

Robert Downey Jr.

(credit: Garrett Ellwood/NBAE via Getty Images)

Kirk and Michael Douglas

(credit: Bryan Bedder/Getty Images)

Daniel Day-Lewis

(credit: GABRIEL BOUYS/AFP/Getty Images)

Jamie Lee Curtis

(credit: Frederick M. Brown/Getty Images)

Billy Crystal

(credit: Jason Merritt/Getty Images)

Jennifer Connelly

(credit: Jemal Countess/Getty Images)

Sacha Baron Cohen (a.k.a. Borat)

(credit: Charley Gallay/Getty Images for PCA)

“Fast Times at Ridgemont High” co-stars Jennifer Jason Leigh and Phoebe Cates

(credit: Evan Agostini/Getty Images)

Neve Campbell

(credit: MJ Kim/Getty Images)

Amanda Bynes

(credit: Frazer Harrison/Getty Images)

Brooke Burke

(credit: Jason Merritt/Getty Images)

Mel Brooks

(credit: Angela Weiss/Getty Images for the Pantages Theatre)

Adrien Brody

(credit: Alberto E. Rodriguez/Getty Images)

Matthew Broderick and Sarah Jessica Parker

(credit: Stephen Lovekin/Getty Images)

Lisa Kudrow and Zach Braff

(credit: Kevin Winter/Getty Images)

Lisa Bonet

(credit: Jon Kopaloff/Getty Images)

Yasmin Bleeth

(credit: Getty Images/Handout)

David Blaine

(credit: Paul Morigi/Getty Images for ziMS Foundation)

"Shallow Hall" co-stars Jack Black & Gwyneth Paltrow

(credit: Scott Gries/ImageDirect)

Sandra Bernhard

(credit: Jemal Countess/Getty Images)

Mayim Bialik (a.k.a. Blossom)

(credit: Michael Buckner/Getty Images)

Rachel Bilson

(credit: John Shearer/Getty Images for InStyle)

Elizabeth Banks

(credit: Sean Gallup/Getty Images)

Selma Blair

(credit: Jason Merritt/Getty Images)

Roseanne Barr

(credit: ROBYN BECK/AFP/Getty Images)

Lauren Bacall

(credit: RICH SCHMITT/AFP/Getty Images)

Rosanna Arquette

(credit: Francois Durand/Getty Images)

Patricia Arquette

(credit: Frederick M. Brown/Getty Images)

David Arquette

(credit: Stephen Dunn/Getty Images)

Tom Arnold

(credit: Bryan Bedder/Getty Images)

"Seinfeld" Show Cast

“Seinfeld” cast members Jerry Seinfeld, Julia Louis-Dreyfus and Jason Alexander are all Jewish. Co-star Michael Richards said he “considers himself Jewish.” (credit: SCOTT FLYNN/AFP/Getty Images)

Alan Arkin

(credit: Kevin Winter/Getty Images)

Woody Allen

(credit: Chris Jackson/Getty Images)

Paula Abdul

(credit: Wendi Kaminski/NBAE/Getty Images)