H
- Lukas Haas (born 1976)
- Testament (1983)
- Witness (1985)
- Solarbabies (1986)
- Lady in White (1988)
- The Ryan White Story (1989)
- Music Box (1989)
- Rambling Rose (1991)
- Douglas Haig (born 1920)
- Man's Best Friend (1935)
- Imani Hakim (born 1993)
- Everybody Hates Chris (2005–2009)
- Reign Over Me (2007)
- Anthony Michael Hall (born 1968)
- National Lampoon's Vacation (1983)
- Sixteen Candles (1984)
- The Breakfast Club (1985)
- Weird Science (1985)
- Saturday Night Live (1985–1986)
- Bug Hall (born 1985)
- The Little Rascals (1994)
- The Big Green (1995)
- The Stupids (1996)
- Honey, We Shrunk Ourselves (1997) - as Adam
- Safety Patrol (1998)
- American Pie Presents: The Book of Love (2009)
- Luke Halpin (born 1947)
- Flipper (1963) - as Sandy Ricks
- Flipper's New Adventure (1964) - as Sandy Ricks
- Flipper (1964 TV series) (1964–1967) - as Sandy Ricks
- If It's Tuesday, This Must Be Belgium (1969)
- Rusty Hamer (1947–1990)
- Make Room for Daddy (1953–1964)
- Dance with Me Henry (1956)
- Make Room for Granddaddy (1970–1971)
- Thomas Wm. Hamilton (born 1939) (see 4897 Tomhamilton)
- Barnaby and Mr. O'Malley (1946)
- Miracle on 34th Street (1947)
- Mr. I-Magination (1950–1952)
- The Adventures of Huckleberry Finn (radio) (1952)
- Sally Hamlin (born 1902)
- Pollyanna (1917)
- Adam Hann-Byrd (born 1982)
- Little Man Tate (1991)
- Digger (1993)
- Jumanji (1995)
- Diabolique (1996)
- The Ice Storm (1997)
- Souvenir (1998)
- Halloween H20: 20 Years Later (1998) - as Charlie
- Uninvited (1999)
- Elisabeth Harnois (born 1979)
- One Magic Christmas (1985)
- Fantastic Max (1988) (voice)
- Potsworth & Co. (1990) (voice)
- Adventures in Wonderland (1992–1995)
- David W. Harper (born 1961)
- The Waltons (1972–1981)
- Rebecca Harrell (born 1980)
- Prancer (1989)
- Danielle Harris (born 1977)
- Spenser: For Hire (1987)
- Halloween 4: The Return of Michael Myers (1988) - as Jamie Lloyd
- Halloween 5: The Revenge of Michael Myers (1989) - as Jamie Lloyd
- Don't Tell Mom the Babysitter's Dead (1991) - as Melissa Crandell
- Eerie, Indiana (1991)
- Growing Pains (1991)
- The Last Boy Scout (1991)
- 1775 (1992)
- Roseanne (1992–1993)
- Free Willy (1993)
- The Commish (1994)
- Boy Meets World (1994)
- Mildred Harris (1901–1944)
- The Post Telegrapher (1912)
- The Patchwork Girl of Oz (1914)
- His Majesty, the Scarecrow of Oz (1914)
- The Magic Cloak of Oz (1914)
- Enoch Arden (1915)
- Neil Patrick Harris (born 1973)
- Clara's Heart (1988)
- Doogie Howser, M.D. (1989–1993)
- Bobby Harron (1893–1920)
- Bobby's Kodak (1908)
- Balked at the Altar (1908)
- The Feud and the Turkey (1908)
- A Summer Idyll (1910)
- The Lesson (1910)
- Enoch Arden (1911)
- The Unveiling (1911)
- Zoe Hartman (born 1991)
- Figure It Out (1997)
- In Search Of (2002)
- The Big Bad Swim (2006)
- The Bronx Is Burning (2007)
- LuAnn Haslam (born 1953)
- The New Adventures of Huckleberry Finn (1968–1969)
- Hana Hatae (born 1988)
- Star Trek: The Next Generation (1991–1992)
- Star Trek: Deep Space Nine (1993–1999)
- Noah Hathaway (born 1971)
- Battlestar Galactica (1978–1979)
- The NeverEnding Story (1984)
- Troll (1986) - as Harry Potter Jr.
- Ethan Hawke (1970)
- Explorers (1985)
- Katherine Heigl (born 1978)
- That Night (1993)
- King of the Hill (1993)
- My Father the Hero (1994) - as Nicole
- Under Siege 2: Dark Territory (1995) - as Sarah Ryback
- Wish Upon a Star (1996)
- Mariel Hemingway (born 1961)
- Lipstick (1976)
- Manhattan (1979)
- Lorenzo Henrie (born 1993)
- Arizona Summer (2003)
- 7th Heaven (2004)
- Star Trek (2009)
- Charles Herbert (born 1948)
- The Fly (1958)
- Houseboat (1958)
- 13 Ghosts (1960)
- The Boy and the Pirates (1960)
- Bijou Heron (1862–1937)
- Monsieur Alphonse (c.1870s)
- Whitby Hertford (born 1978)
- Poltergeist II: The Other Side (1986)
- A Nightmare on Elm Street 5: The Dream Child (1989) - as Jacob
- Full House (1990–1991)
- Peter Pan and the Pirates (voice) (1990–1991)
- Potsworth & Co. (voice) (1990)
- Taking Care of Business (film) (1990)
- Tiny Toon Adventures (voice) (1990–1992)
- Mikey (film) (1992)
- Jurassic Park (1993)
- The Land Before Time III: The Time of the Great Giving (1995) - as Hyp
- Jennifer Love Hewitt (born 1979)
- Kids Incorporated (1989–1991) - as Robin
- Munchie (1992)
- Little Miss Millions (1993)
- Sister Act 2 (1993)
- Party of Five (1995–1999)
- House Arrest (1996)
- Adam Hicks (born 1992)
- Zeke and Luther
- Freddie Highmore (born 1992)
- Women Talking Dirty (1999)
- Happy Birthday Shakespeare (2000)
- The Mists of Avalon (2001)
- Jack and the Beanstalk: The Real Story (2001)
- I Saw You (2002)
- Finding Neverland (2004)
- Two Brothers (2004)
- Five Children and It (2004)
- Charlie and the Chocolate Factory (2005)
- A Good Year (2006)
- Arthur and the Invisibles (2007)
- August Rush (2007)
- The Golden Compass (2007)
- The Spiderwick Chronicles (2008)
- A Fox's Tale (2008)
- Astro Boy (2009)
- Arthur and the Vengeance of Maltazard (2009)
- Arthur and the War of Two Worlds (2010)
- Master Harold...and the Boys (2010)
- Homework (2011)
- Hallee Hirsh (born 1987)
- Loving (1993–1995)
- As the World Turns (1996)
- Norville and Trudy (1997)
- Lolita (1997)
- What the Deaf Man Heard (1997)
- Carson's Vertical Suburbia (1997)
- One True Thing (1998)
- Saint Maybe (1998)
- You've Got Mail (1998)
- Spring Forward (1999)
- Joe Gould's Secret (2000)
- The Ultimate Christmas Present (2000)
- The Gene Pool (2001)
- Taking Back Our Town (2001)
- ER (2001–2004)
- My Sister's Keeper (2002)
- JAG (2003–2005)
- Speak (2004)
- Happy Endings (2005)
- Flight 29 Down (2005–2007)
- Mara Hobel (born 1971)
- Mommie Dearest (1981)
- Tyler Hoechlin (born 1987)
- Road to Perdition (2002)
- Gaby Hoffmann (born 1982)
- Field of Dreams (1989)
- Uncle Buck (1989) - as Maizy Russell
- This Is My Life (1992)
- Sleepless in Seattle (1993)
- Freaky Friday (1995)
- Whose Daughter Is She? (1995)
- Now and Then (1995)
- Willa Holland (born 1991)
- The Heart is Deceitful Above All Things (2004)
- The Comeback (2005)
- The O.C. (2006–2007)
- Chasing 3000 (2008)
- Garden Party (2008)
- Genova (2008)
- Middle of Nowhere (2008)
- Gossip Girl (2008)
- Brittany Ashton Holmes (born 1989)
- The Little Rascals (1994)
- Dennis Holmes (born 1950)
- Laramie (1961-1963)
- Darla Hood (1931–1979)
- Our Gang (1935–1941)
- Henry Lee Hopper (born 1990)
- Kiss & Tell (1996)
- Anastasia Horne (born 1978)
- Kids Incorporated (1991–1993) - as Ana
- Port Charles (1997–1999)
- Sam Horrigan (born 1981)
- Little Giants (1994)
- Escape to Witch Mountain (1995)
- Grace Under Fire (1996–1998)
- Allen Hoskins (1920–1980)
- Our Gang (1922–1931)
- Marques Houston (born 1981)
- Bebe's Kids (1992) (voice)
- Sister, Sister (1994–1998, 1999)
- Clint Howard (born 1959)
- The Jungle Book (1967) (voice)
- Gentle Ben (1967–1969)
- The Many Adventures of Winnie the Pooh (1977) (voice)
- Ron Howard (born 1954)
- The Andy Griffith Show (1960–1968)
- The Music Man (1962)
- The Courtship of Eddie's Father (1963)
- Vanessa Hudgens (born 1988)
- Thirteen (2003)
- Thunderbirds (2004)
- High School Musical (2006) - as Gabriella
- Miko Hughes (born 1986)
- Pet Sematary (1989) - as Gage Creed
- Kindergarten Cop (1990)
- Full House (1990–1995)
- Jack the Bear (1993)
- Wes Craven's New Nightmare (1994) - as Dylan
- Apollo 13 (1995)
- Zeus and Roxanne (1997)
- Spawn (1997)
- Mercury Rising (1998) - as Simon
- Baby Geniuses (1999)
- Clockstoppers (2002)
- Helen Hunt (born 1963)
- Amy Prentiss (1974–1975)
- Death Scream (1975)
- The Swiss Family Robinson (1975–1976)
- Ark II (1976)
- Family (1976–1980)
- The Mary Tyler Moore Show (1977)
- Rollercoaster (1977)
- The Fitzpatricks (1977–1978)
- The Bionic Woman (1978)
- Jimmy Hunt (born 1939)
- The Mating of Millie (1948)
- Pitfall (1948)
- Sorry, Wrong Number (1948)
- Holiday Affair (1949)
- Louisa (1950)
- Shadow on the Wall (1950)
- Invaders from Mars (1953)
- She Couldn't Say No (1954)
- Paige Hurd (born 1992)
- Felicity (2000)
- Boomtown (2002)
- George Lopez (2002)
- Cradle 2 the Grave (2003)
- The Cat in the Hat (2003)
- The Division (2003)
- Time Out (2004)
- Virginia (2005)
- The Adventures of Tango McNorton: Licensed Hero (2005)
- The Suite Life of Zack & Cody (2005)
- Beauty Shop (2005)
- Medium (2005)
- ER (2006)
- Everybody Hates Chris (2006–2009)
- Josh Hutcherson (born 1992)
- Motocross Kids (2004)
- Little Manhattan (2005)
- Zathura: A Space Adventure (2005)
- RV (2006)
- Bridge to Terabithia (2007)
- Firehouse Dog (2007)
- Journey to the Center of the Earth (2008)
- Cirque du Freak: The Vampire's Assistant (2009)
- Ben 10: Race Against Time (2007)
- Candace Hutson (born 1980)
- Evening Shade (1991–1994)
- The Maddening (1995)
Read more about this topic: List Of Former Child Actors From The United States