Theodore Hardeen, Magician; Ferencz Deszo Weiss (Hungary 4 March 1876 - 1945). Brother of Harry Houdini. Sometimes Americanized as Weitz, Weisz

Ty Hardin, Actor; Orson Whipple Hungerford II (New York City 1 January 1930). Also known as Ty Hungerford.

Wes Hardin, Gunfighter; John Wesley Hardin (Bonham, Fannin County, Texas, 26 May 1853 - 19 August 1895).

Ann Harding, Actor; Dorothy Walton Gatley (Fort Sam Houston, Texas 7 August 1901 - 1 September 1981).

Sir Cedric Hardwicke; Actor; Cedric Webster Hardwicke (Lye, Worcestershire, England 19 February 1893 - 6 August 1964).

Oliver Hardy, Film actor, Norvell Hardy (USA, 1892 - 1957) Nicknamed "Babe". See Laurel

Mata Hari, Dancer; Margaretha Zelle (Leeuwarden, Netherlands 7 August 1876 - 15 October 1917). Executed by France for alleged espionage, probably in error.

Jean Harlow, Actor; Harlean Carpenter (Kansas City, Missouri 3 March 1911- 7 June 1937). Also referred to as Harlean Carpentier - the 'i' was added by her studio to make it sound more romantic and foreign.

Angie Harmon, Actor; Angela Michelle Harmon (Dallas, Texas 10 August 1972).

Mark Harmon, Actor; Thomas Mark Harmon (Burbank, California 2 September 1951).

Harmonica Fats, Harmonica player; Harvey Blackston aka Heavy Juice (1928 - 1 March 2000).

Tess Harper, Actor; Tessie Washam (Mammoth Spring, Arkansas 15 August 1950).

Slim Harpo, Blues harmonica and singer; James Moore (Lobdell, Louisana 11 January 1924 - 31 January 1970).

Woody Harrelson, Actor, Woodrow Tracy Harrelson (Midland, Texas 1961).

Barbara Harris, Actor; Sandra Markowitz (Evanston, Illinois 25 July 1935).

Christopher Harris, Playwright; Christopher Fry (Bristol, England 18 December 1907 - 30 June 2005).

Gene Harris, pianist and band leader; Eugene Harris (USA 1933 - 2000).

Jet Harris, Bass guitarist; Terence Harris (Kingsbury Middlesex 6 July 1939). Founder member of the Shadows, and later partnered Tony Meehan.

Jonathan Harris, Actor; Jonathan Charasuchin (Bronx, New York 6 November 1914 - 3 November 2002). Played Dr. Zachary Smith in TV's Lost in Space.

Phil Harris, Singer/band leader, Wonga Philip Harris, (USA, 1904-1995).

Richard Harris, Actor; Richard St. John Harris (Limerick, Ireland 1 October 1930 - 25 October 2002).

George Harrison, Singer, guitarist, songwriter and Beatle; George Harrison (Liverpool, England, 25 February 1943 - 29 November 2001).

Rex Harrison, Actor; Reginald Harrison (England, 1908-1990).

Tony Harrison, Political poet; Tony Harrison (Leeds, 1937).

HRH Prince Harry, Member of the UK Royal Family; Henry Charles Albert David Mountbatten-Windsor (London 15 September 1984).

Bobby Hart, Songwriter; Robert Luke Harshman (Phoenix, Arizona 19 February 1939).

Gary Hart, US Presidential hopeful, Gary Warren Hartpence (USA, 1937).

Mary Hart, TV Anchor; Mary Johanna Harum (Madison, South Dakota 8 November 1950).

Veronica Hart, Porn actor (retired) Jane Hamilton (USA)

William S. Hart, Silent Actor; William Surrey Hart (Newburgh, New York 6 December 1870 - 24 June 1946) Some sources give birth year as 1864/5.

Bret Harte, Writer; Francis Brett Harte (Albany, New York 25 August 1839 - 6 May 1902).

L.P.Hartley, Author; Leslie Poles Hartley (England, 1895-1972).

Mariette Hartley, Actor, Mary Loretta Hartley, (USA, 1940).

Phil Hartman, Comedian; Philip Edward Hartmann (Brantford, Ontario 24 September 1948 28 May 1998).

Bubi Hartmann, Air ace; Erich Alfred "Bubi" Hartmann (Weissach, Württemberg, Germany 19 April 1922 - 20 September 1993). Hartmann was nicknamed "The Blond Knight Of Germany" by his friends and "the Black Devil" by his enemies.

Michael Hartnett, Poet and translator, Michael Harnett (Ireland, 1941-99).

Laurence Harvey, Actor; Laruschka Mischa Skikne (Joniskis, Lithuania 1 October 1928). One source suggests Hirshke Skikne.

Paul Harvey, Radio presenter; Paul Harvey Aurandt (Tulsa Oklahoma, 1918).

Paul Harvey, Jr., Writer and pianist; Paul Harvey Aurandt, Jr. - aka Paul Aurant (USA).

P. J. Harvey, Singer; Polly Jean Harvey (Yeovil, England 9 October 1969).

Ernie Harwell, Hall of Fame Baseball player; William Earnest Harwell (Washington, Georgia 25 January 1918).

Elisabeth Hasselbeck, Television host; née Elisabeth Filarski (Rhode Island 28 May 1977).