Telly Leung - January 3, 1980 - Age 45 (Wes)
Dot-Marie Jones - January 4, 1964 - Age 61 (Shannon Beiste)
Katie Couric - January 7, 1957 - Age 68 (Herself)
Rex Lee - January 7, 1969 - Age 56 (Martin Fong)
Erinn Westbrook - January 12, 1988 - Age 37 (Bree)
Naya Rivera - January 12, 1987 - Died July 8, 2020 (Santana Lopez)
Grant Gustin - January 14, 1990 - Age 35 (Sebastian Smythe)
Max Adler - January 17, 1986 - Age 39 (Dave Karofsky)
Becca Tobin - January 18, 1986 - Age 39 (Kitty Wilde)
Charlotte Ross - January 21, 1968 - Age 56 (Judy Fabray)
Katey Sagal - January 19, 1954 - Age 70 (Nancy Abrams)
Phoebe Strole - January 22, 1983 - Age 41 (Penny Owens)
Mary Gillis - January 24, 1941 - Age 83 (Mrs. Hagberg)
Noah Guthrie - January 25, 1994 - Age 30 (Roderick)
Tamlyn Tomita - January 27, 1966 - Age 58 (Julia Chang)
Adam Lambert - January 29, 1982 - Age 42 (Elliott Gilbert)
Heather Morris - February 1, 1987 - Age 37 (Brittany Pierce)
Tanya Clarke - February 1, 1972 - Age 52 (Mary Evans)
Tomas Calabro - February 3, 1959 - Age 65 (Mr. Puckerman)
Darren Criss - February 5, 1987 - Age 37 (Blaine Anderson)
Amber Riley - February 15, 1986 - Age 38 (Mercedes Jones)
Chord Overstreet - February 17, 1989 - Age 35 (Sam Evans)
Davenia McFadden - February 21, 1961 - Age 63 (Betty Adams)
Patrick Gallagher - February 21, 1968 - Age 56 (Ken Tanaka)
Barry Bostwick - February 24, 1946 - Age 78 (Tim Stanwick)
Debra Monk - February 27, 1949 - Age 75 (Mrs. Schuester)
Josh Groban - February 27, 1981 - Age 43 (Himself)
Brad Falchuk - March 1, 1971 - Age 53
Daniel Roebuck - March 4, 1963 - Age 61 (Paul Karofsky)
Victor Garber - March 16, 1949 - Age 75 (Mr. Schuester)
Amy Aquino - March 20, 1957 - Age 67 (Funny Girl producer)
Dean Geyer - March 20, 1986 - Age 38 (Brody Weston)
Eric Bruskotter - March 22, 1966 - Age 58 (Cooter Menkins)
Perez Hilton - March 23, 1978 - Age 46 (himself)
Sarah Jessica Parker - March 25, 1965 - Age 59 (Isabelle Wright)
Jonathan Groff - March 26, 1985 - Age 39 (Jesse St. James)
Cody Hamilton - April 1, 2006 - Age 18 (Stevie Evans)
John Schneider - April 8, 1960 - Age 64 (Dwight Evans)
Bryce Johnson - April 18, 1977 - Age 47 (Cody Tolentino)
Virginia Gardner - April 18, 1995 - Age 29 (Marissa)
Kate Hudson - April 19, 1979 - Age 45 (Cassandra July)
Aaron Hill - April 23, 1983 - Age 41 (Nick)
Carol Burnett - April 26, 1933 - Age 91 (Doris Sylvester)
Earlene Davis - April 27, 1956 - Age 68 (Andrea Carmichael)
Harry Shum Jr. - April 28, 1982 - Age 42 (Mike Chang)
Jenna Ushkowitz - April 28, 1986 - Age 38 (Tina Cohen-Chang)
Dianna Agron - April 30, 1986 - Age 38 (Quinn Fabray)
Lindsay Pearce - April 30, 1991 - Age 33 (Harmony)
Gregg Henry -May 6, 1952 - Age 72 (Russel Fabray)
Amy Hill - May 9, 1953 - Age 71 (Dr. Chin)
Lauren Potter - May 10, 1990 - Age 34 (Becky Jackson)
Jake Zyrus - May 10, 1992 - Age 32 (Sunshine Corazon)
Ben Bledsoe - May 11, 1982 - Age 42 (Hank Saunders)
Cory Monteith - May 11, 1982 - Died July 13, 2012 (Finn Hudson)
Daniel Curtis Lee - May 17, 1991 - Age 32 (Phil Lipoff)
Jayson Blair - May 17, 1984 - Age 40 (Chris)
Mark Christopher Lawrence - May 22, 1964 - Age 60 (Rob Adams)
Chris Colfer - May 27, 1990 - Age 34 (Kurt Hummel)
Stephen Tobolowsky - May 30, 1951 - Age 73 (Sandy Ryerson)
John Ross Bowie - May 30, 1971 - Age 53 (Dennis)
Idina Menzel - May 30, 1971 - Age 53 (Shelby Corcoran)
Allison Adler - May 30, 1967 - Age 57
Titus Makin Jr. - June 10, 1989 - Age 35 (David)
Courtney Platt - June 12, 1988 - Age 36 (The Mack)
Kevin McHale - June 14, 1988 - Age 36 (Artie Abrams)
Neil Patrick Harris - June 15, 1973 - Age 51 (Bryan Ryan)
Valerie Mahaffey - June 16, 1953 - Age 71 (Rose Pillsbury)
Ali Stroker - June 16, 1987 - Age 37 (Betty Pillsbury)
Ivonne Coll - June 18, 1947 - Age 77 (Alma Lopez)
Meredith Baxter - June 21, 1947 - Age 77 (Liz Stevens)
Michael Lerner - June 22, 1941 Died April 8, 2023 (Aged 81) (Sidney Greene)
Raven Goodwin - June 24, 1992 - Age 32 (Sheila)
Robin Trocki - June 30, 1956 - Died December 14, 2019 - Age 63 (Jean Sylvester)
Lindsay Lohan - July 2, 1986 - Age 38 (Herself)
John Lloyd Young - July 4, 1975 - Age 49 (Henri St. Pierre)
Dylan Sprayberry - July 7, 1998 - Age 26 (Young Cooper Anderson)
Cheyenne Jackson - July 12, 1975 - Age 49 (Dustin Goolsby)
Jane Lynch - July 14, 1960 - Age 64 (Sue Sylvester)
Jayma Mays - July 16, 1979 - Age 45 (Emma Pillsbury)
Chace Crawford - July 18, 1985 - Age 39 (Biff McIntosh)
Vanessa Lengies - July 21, 1985 - Age 39 (Sugar Motta)
Dominic Barnes - July 21, 1988 - Age 36 (Trent)
Kristin Chenoweth - July 24, 1968 - Age 56 (April Rhodes)
Helen Mirren - July 26, 1945 - Age 79 (Inner voice of Becky Jackson)
Nolan Gerard Funk - July 28, 1986 - Age 38 (Hunter Clarington)
Michael Hitchcock - July 28, 1958 - Age 66 (Dalton Rumba)
Finneas O'Connell - July 30, 1997 - Age 27 (Alistair)
Marshall Williams - July 31, 1989 - Age 35 (Spencer Porter)
Jessica Sanchez - August 4, 1995 - Age 29 (Frida Romero)
Josie Totah - August 5, 2001 - Age 23 (Myron Muskovitz)
Don Most - August 8, 1953 - Age 71 (Rusty Pillsbury)
Trisha Rae Stahl - August 10, 1973 - Age 51 (Millie Rose)
Leah Pipes - August 12, 1988 - 36 (Electra)
Jackée Harry - August 14, 1956 - Age 68 (herself)
Billy Lewis Jr. - August 15, 1990 - Age 34 (Mason McCarthy)
Mark Salling - August 17, 1982 - Died January 30, 2018 (Noah Puckerman)
John Stamos - August 19, 1963 - Age 61 (Carl Howell)
Demi Lovato - August 20, 1992 - Age 32 (Dani)
Alex Newell - August 20, 1992 - Age 32 (Unique Adams)
Loretta Devine - August 21, 1949 - Age 75 (St. Mary Constance)
Laura Dreyfuss - August 22, 1988 - Age 36 (Madison McCarthy)
Marlee Matlin - August 24, 1965 - Age 59 (herself)
Blake Jenner - August 27, 1992 - Age 32 (Ryder Lynn)
Jennifer Coolidge - August 28, 1961 - Age 63 (Whitney S. Pierce)
Samuel Larsen - August 28, 1991 - Age 33 (Joe Hart)
Lea Michele - August 29, 1986 - Age 38 (Rachel Berry)
D.C. Cody - August 31, 1990 - Age 34 (Scott Cooper)
Gloria Estefan - September 1, 1957 - Age 67 (Maribel Lopez)
Samantha Marie Ware - September 3, 1991 - Age 33 (Jane Hayward)
Max George - September 6, 1988 - Age 36 (Clint)
Damian McGinty - September 9, 1992 - Age 32 (Rory Flanagan)
Eddy Martin - September 10, 1990 - Age 34 (Thad)
Kurt Fuller - September 16, 1953 - Age 71 (Mr. McClung)
Molly Shannon - September 16, 1964 - Age 60 (Brenda Castle)
Dijon Talton - September 17, 1989 - Age 35 (Matt Rutherford)
Jane Galloway Heitz - September 18, 1941 - Died November 13, 2019 (Age 78) (Lillian Adler)
Aisha Tyler - September 18, 1970 - Age 54 (Jake's Mother)
Skylar Astin - September 23, 1987 - Age 37 (Jean Baptiste)
Olivia Newton-John - September 26, 1948 - Died August 8, 2022 - Aged 73 (herself)
Gwyneth Paltrow - September 27, 1972 - Age 52 (Holly Holliday)
Anna Camp - September 27, 1982 - Age 42 (Candace Dystra)
Ryan Heinke - October 1, 1992 - Age 32 (Stoner Brett)
Sarah Drew - October 1, 1980 - Age 44 (Suzy Pepper)
Melissa Benoist - October 4, 1988 - Age 36 (Marley Rose)
Shelby Rabara - October 5, 1983 - Age 41 (Shoshandra)
Ioan Gruffudd - October 6, 1973 - Age 51 (Paolo San Pablo)
Adrienne Berry - October 7, 1993 - Age 31 (Pendleton)
Jennifer Aspen - October 9, 1973 - Age 51 (Kendra Giardi)
Adam Anders - October 10, 1975 - Age 49
Matt Bomer - October 11, 1977 - Age 47 (Cooper Anderson)
Jacob Artist - October 17, 1992 - Age 32 (Jake Puckerman)
Kenneth Choi - October 20, 1971 - Age 53 (Dr. Wu)
Jeff Goldblum - October 22, 1952 - Age 72 (Hiram Berry)
LaMarcus Tinker - October 24, 1990 - Age 34 (Shane Tinsley)
Romy Rosemont - October 28, 1974 - Age 50 (Carole Hudson)
Matthew Morrison - October 30, 1978 - Age 46 (Will Schuester)
Brian Stokes Mitchell - October 31, 1957 - Age 67 (LeRoy Berry)
Mike O'Malley - October 31, 1966 - Age 58 (Burt Hummel)
K.d. lang - November 2, 1961 - Age 63 (Herself)
Whit Hertford - November 2, 1978 - Age 46 (Dakota Stanley)
Kathy Griffin - November 4, 1960 - Age 64 (Tammy Jean Albertson)
Alfonso Gomez-Rejon - November 6, 1972 - Age 52
Riker Lynch - November 8, 1991 - Age 33 (Jeff)
Eve Jeffers - November 10, 1978 - Age 46 (Grace Hitchens)
Whoopi Goldberg - November 13, 1955 - Age 69 (Carmen Tibideaux)
Ashley Fink - November 20, 1986 - Age 38 (Lauren Zizes)
Brooke Lipton - November 20, 1979 - Age 45
Peter Facinelli - November 26, 1973 - Age 51 (Rupert Campion)
Adam Shankman - November 27, 1964 - Age 60
Jessalyn Gilsig - November 30, 1971 - Age 53 (Terri Del Monico)
Tyra Banks - December 4, 1973 - Age 51 (Bichette)
Adam Kolkin - December 4, 1997 - Age 27 (Young Kurt Hummel)
Gina Hecht - December 6, 1953 - Age 71 (Mrs. Puckerman)
Jolene Purdy - December 9, 1983 - Age 41 (Ronnie)
NeNe Leakes - December 13, 1967 - Age 57 (Roz Washington)
Patty Duke - December 14, 1946 - Died March 29, 2016 (aged 69) (Jan)
Iqbal Theba - December 20, 1963 - Age 61 (Principal Figgins)
Ricky Martin - December 24, 1971 - Age 53 (David Martinez)
Josh Sussman - December 30, 1983 - Age 41 (Jacob Ben Israel)