Discover all the world-renowned actors, singers, athletes, political leaders, and other celebrities who share a half birthday on this day. (Source: Wikipedia) And hey, don't forget to calculate half birthdays of family & friends and mark your calendar with alerts at least a week before so you can plan!

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• 1931 – Dominique Lapierre, French author
• 1933 – Edd Byrnes, American actor and singer
• 1934 – Bud Selig, American businessman
• 1936 – Buddy Guy, American singer-songwriter and guitarist
• 1936 – Infanta Pilar, Duchess of Badajoz
• 1936 – Ralph Taeger, American actor
• 1938 – Hervé de Charette, French politician, Minister of Foreign Affairs for France
• 1939 – Peter Bogdanovich, American actor, director, producer, and screenwriter
• 1939 – Eleanor Smeal, American activist, founded the Feminist Majority Foundation
• 1940 – Patricia Schroeder, American politician
• 1940 – Clive Sinclair, English businessman, founded Sinclair Radionics and Sinclair Research
• 1941 – Paul Anka, Canadian singer-songwriter and actor
• 1943 – Henri-François Gautrin, Canadian physicist and politician
• 1944 – Gerry Birrell, Scottish racing driver (d. 1973)
• 1945 – Patrick Modiano, French author
• 1945 – David Sanborn, American saxophonist and composer
• 1946 – Neil Bonnett, American race car driver (d. 1994)
• 1947 – William Atherton, American actor
• 1947 – Françoise Barré-Sinoussi, French virologist, Nobel Prize laureate
• 1947 – Jonathan Mann, American physician (d. 1998)
• 1947 – Anna Panayiotopoulou, Greek actress and writer
• 1947 – Arnold Schwarzenegger, Austrian-American bodybuilder, actor, and politician, 38th Governor of California
• 1948 – Billy Paultz, American basketball player
• 1948 – Jean Reno, Moroccan actor
• 1948 – Otis Taylor, American singer-songwriter and guitarist
• 1948 – Julia Tsenova, Bulgarian pianist and composer (d. 2010)
• 1949 – Duck Baker, American guitarist
• 1950 – Frank Stallone, American singer-songwriter, guitarist, and actor
• 1950 – Simón Trinidad, Colombian guerrilla leader
• 1951 – Alan Kourie, South African cricketer
• 1954 – Ken Olin, American actor, director, and producer
• 1955 – Rat Scabies, English drummer and producer (The Damned and Vicious White Kids)
• 1956 – Delta Burke, American actress, singer, and producer
• 1956 – Réal Cloutier, Canadian ice hockey player
• 1956 – Anita Hill, American lawyer and academic
• 1956 – Soraida Martinez, American painter
• 1957 – Bill Cartwright, American basketball player and coach
• 1957 – Clint Hurdle, American baseball player and manager
• 1957 – Nery Pumpido, Argentinian footballer, coach, and manager
• 1958 – Richard Burgi, American actor
• 1958 – Kate Bush, English singer-songwriter and producer
• 1958 – Neal McCoy, American singer-songwriter
• 1958 – Daley Thompson, English decathlete
• 1960 – Richard Linklater, American director and screenwriter
• 1960 – Jeff Rudom, American basketball player and actor (d. 2011)
• 1961 – El Brazo, Mexican wrestler (d. 2013)
• 1961 – Laurence Fishburne, American actor and producer
• 1962 – Alton Brown, American chef, author, and producer
• 1962 – Jay Feaster, American ice hockey player and manager
• 1963 – Lisa Kudrow, American actress, screenwriter, and producer
• 1963 – Chris Mullin, American basketball player and manager
• 1964 – Vivica A. Fox, American actress and producer
• 1964 – Alek Keshishian, Lebanese-American director, producer, and screenwriter
• 1964 – Jürgen Klinsmann, German footballer and manager
• 1964 – Laine Randjärv, Estonian politician
• 1965 – Tim Munton, England cricketer
• 1966 – Allan Langer, Australian rugby player
• 1966 – Craig Gannon, English guitarist
• 1968 – Terry Crews, American football player and actor
• 1968 – Robert Korzeniowski, Polish race walker
• 1968 – Sean Moore, Welsh drummer (Manic Street Preachers)
• 1969 – Simon Baker, Australian actor, director, and producer
• 1969 – Errol Stewart, South African cricketer and lawyer
• 1970 – Dean Edwards, American comedian and actor
• 1970 – Christopher Nolan, English-American director, screenwriter, and producer
• 1971 – Elvis Crespo, American-Puerto Rican singer (Grupo Manía)
• 1971 – Tom Green, Canadian comedian, actor, and rapper
• 1971 – Sagi Kalev, Israeli-American bodybuilder and model
• 1971 – Christine Taylor, American actress
• 1972 – Jim McIlvaine, American basketball player
• 1973 – Anastasios Katsabis, Greek footballer
• 1973 – Markus Näslund, Swedish ice hockey player and manager
• 1973 – Sonu Nigam, Indian singer and actor
• 1974 – Radostin Kishishev, Bulgarian footballer and manager
• 1974 – Ando Meritee, Estonian renju player
• 1974 – Jason Robinson, English rugby player and coach
• 1974 – Hilary Swank, American actress and producer
• 1975 – Graham Nicholls, English author and activist
• 1975 – Cherie Priest, American author and blogger
• 1977 – Diana Bolocco, Chilean model and journalist Miss Universe 1987
• 1977 – Misty May-Treanor, American volleyball player and coach
• 1977 – Jaime Pressly, American actress
• 1977 – Bootsy Thornton, American basketball player
• 1977 – Ian Watkins, Welsh singer-songwriter (Lostprophets and Public Disturbance)
• 1979 – Carlos Arroyo, Puerto Rican basketball player and singer
• 1979 – Show Luo, Taiwanese actor, singer, and dancer
• 1979 – Graeme McDowell, Irish golfer
• 1979 – Maya Nasser, Syrian journalist (d. 2012)
• 1980 – Diam's, Cypriot-French rapper
• 1980 – Sara Anzanello, Italian volleyball player
• 1980 – Justin Rose, English golfer
• 1981 – Nicky Hayden, American motorcycle racer
• 1981 – Juan Smith, South African rugby player
• 1981 – Indrek Turi, Estonian decathlete
• 1982 – Khaliah Adams, American actress
• 1982 – Jehad Al-Hussain, Syrian footballer
• 1982 – James Anderson, English cricketer
• 1982 – Yvonne Strahovski, Australian actress
• 1983 – Nathan Carter, Canadian actor
• 1983 – Seán Dillon, Irish footballer
• 1984 – Marko Asmer, Estonian racing driver
• 1984 – Gabrielle Christian, American actress and singer
• 1984 – Kevin Pittsnogle, American basketball player
• 1985 – Aml Ameen, English actor
• 1985 – Daniel Fredheim Holm, Norwegian footballer
• 1986 – Tiago Alencar, Brazilian footballer
• 1987 – Anton Fink, German footballer
• 1987 – Sam Saunders, American golfer
• 1988 – Lara Jean Marshall, English-Australian actress, singer, and dancer
• 1989 – Aleix Espargaró, Spanish motorcycle racer
• 1989 – Wayne Parnell, South African cricketer
• 1990 – I Blame Coco, Italian-English singer-songwriter
• 1990 – Martin Stosch, German singer
• 1991 – Diana Vickers, English singer-songwriter and actress
• 1992 – Hannah Cockroft, English wheelchair racer
• 1993 – Katie Cecil, American singer, guitarist, and actress (KSM)
• 1993 – Miho Miyazaki, Japanese singer and actress (AKB48)
• 1993 – Margarida Moura, Portuguese tennis player
• 1998 – Johnny Bennett, English-Irish actor
• 1999 – Joey King, American actress
• 2002 – Prince Hridayendra of Nepal