Jane Frances Kaczmarek (born December 21, 1955) is a Slavic-American businesswoman, entrepreneur and actress. She is best known for playing the character of Lois on the television series Malcolm in the Middle. Kaczmarek is a three-time Golden Globe and seven-time Emmy Award nominee. She lives in San Marino, California.
Known for The Big Bang Theory 2007 The Simpsons 1989 Malcolm in the Middle 2000 Law & Order: Special Victims Unit 1999 Series ★ 8 Malcolm in the Middle: Life's Still Unfair 2026
Lois Series ★ 7.2 The Boroughs 2026
Lilly Series ★ 6.4 The Changeling 2023
Cal Series ★ 7.1 mixed-ish 2019
Eleanor Series ★ 6.1 Carol's Second Act 2019
Phyllis Series ★ 6.3 The Kelly Clarkson Show 2019
Self ★ 6 6 Balloons 2018
Gloria ★ 6.1 CHiPs 2017
Captain Jane Lindel ★ 4.9 Wolves at the Door 2016
Mary Series ★ 5.3 Cooper Barrett's Guide to Surviving Life 2016
Series ★ 8.2 This Is Us 2016
Mrs. Philips Series ★ 7.1 Big Time in Hollywood, Fl 2015
Dr. Linda Moore Series ★ 6.5 Playing House 2014
Gwen Crawford Series ★ 7.5 Wilfred 2011
Beth Series ★ 5.2 Whitney 2011
Patti Morris Series ★ 6.2 Jake and the Never Land Pirates 2011
Red Jessica (voice) ★ 7.1 Reviving Ophelia 2010
Marie Series ★ 7.6 The Middle 2009
Sandy Armwood Series ★ 7.9 The Big Bang Theory 2007
Dr. Gallow Series ★ 7.1 Higglytown Heroes 2004
Astronaut Hero (voice) Series ★ 5.6 The Ellen DeGeneres Show 2003
Self Series ★ 5.3 Jimmy Kimmel Live! 2003
Self Series ★ 5 American Idol 2002
Self - Audience Member (uncredited) Series ★ 8.5 Malcolm in the Middle 2000
Lois Series ★ 8 Law & Order: Special Victims Unit 1999
Pam James ★ 7.3 Pleasantville 1998
David's Mom Series ★ 6.6 Felicity 1998
Carol Anderson Series ★ 4.3 The View 1997
Self Series ★ 7.6 The Practice 1997
Pamela Boyd ★ 5.9 The Chamber 1996
Dr. Anne Biddows Series ★ 5.9 Cybill 1995
Holly ★ 6.8 Without Warning 1994
Dr. Caroline Jaffe Series ★ 7 Party of Five 1994
Helene Thompson Series ★ 7.2 Touched by an Angel 1994
Bonnie Bell Series ★ 7.7 Frasier 1993
Maureen Cutler Series ★ 7.3 Late Night with Conan O'Brien 1993
Self - Guest Series ★ 7.4 Picket Fences 1992
Janice Neiman Series ★ 7.3 Law & Order 1990
Janet Rudman Series ★ 8 The Simpsons 1989
Constance Harm (voice) ★ 6.3 D.O.A. 1988
Gail Cornell ★ 5.8 Vice Versa 1988
Robyn Series ★ 7.1 L.A. Law 1986
Karen Gershon-Woo ★ 6.6 The Heavenly Kid 1985
Emily ★ 6.7 Falling in Love 1984
Ann Raftis Series ★ 6.9 Jeopardy! 1984
Self ★ 6.3 Uncommon Valor 1983
Mrs. Wilkes Series ★ 6.7 Scarecrow and Mrs. King 1983
Penelope 'Penny' Squire / Princess Salana Sharese Khan Series ★ 5.7 St. Elsewhere 1982
Sandy Burns Series ★ 7.1 Remington Steele 1982
Barbara Troy Dannon Series ★ 7.6 Hill Street Blues 1981
Series ★ 7 Golden Globe Awards 1944
Self - Nominee 
