P
- Manuel Padilla, Jr. (1956–2008)
- Robin and the Seven Hoods (1964)
- Rawhide (1966)
- Tarzan (1966–68)(TV series)
- Tarzan and the Valley of Gold (1966)
- Tarzan and the Great River (1967)
- The Flying Nun (1969)
- A Man Called Horse (1970)
- The Great White Hope (1970)
- Happy Days (1974)
- Philip Paley (born 1963)
- Land of the Lost (1974) - as Cha-Ka
- Keke Palmer (born 1993)
- Akeelah and the Bee (2006)
- Madea's Family Reunion (2006)
- Jump In! (2007)
- Cleaner (2007)
- The Longshots (2008)
- True Jackson, VP (2008–2011)
- Kay Panabaker (born 1990)
- Monsters, Inc. (2001)
- Dead Heat (2002)
- Summerland (2004–2005)
- Life Is Ruff (2005)
- Read It and Weep (2006)
- Nancy Drew (2007)
- Hayden Panettiere (born 1989)
- One Life to Live (1994–1997)
- Guiding Light (1997–2000)
- The Object of My Affection (1998)
- A bug's life (1998)
- Too Rich: The Secret Life of Doris Duke (1999)
- Message in a Bottle (1999)
- If You Believe (1999)
- Remember the Titans (2000)
- Ally McBeal (2001–2002)
- Joe Somebody (2001)
- The Affair of the Necklace (2001)
- Normal (2003)
- Malcolm in the Middle (2003–2005)
- Lies My Mother Told Me (2004)
- The Dust Factory (2004)
- Raising Helen (2004)
- Tiger Cruise (2004)
- Ice Princess (2005)
- Racing Stripes (2005)
- Bring It On: All or Nothing (2005)
- The Architect (2006)
- Heroes (2006–2010)
- Scream 4 (2011)
- Connor Paolo (born 1990)
- Mystic River (2003)
- Alexander (2004)
- World Trade Center (2006)
- Snow Angels (2007)
- Sarah Jessica Parker (born 1965)
- The Little Match Girl (1974)
- Square Pegs (1982–1983)
- Butch Patrick (born 1953)
- The Munsters (1964–1966) - as Eddie Munster
- Lidsville (1971–1973) - as Mark
- Rahsaan Patterson (born 1974)
- Kids Incorporated (1984–1987) - as The Kid
- Marcus T. Paulk (born 1986)
- Thea (1993–1994)
- Moesha (1996-2001)
- Nothing to Lose (1997)
- One Night Stand (1997)
- Sara Paxton (born 1988)
- Small Talk (1996)
- Liar Liar (1997)
- Soldier (1998)
- Durango Kids (1999)
- Perfect Game (2000)
- CSI: Miami (2003)
- Sleepover (2004)
- Skipping School (2004)
- Michael Pearlman (born 1972)
- One Trick Pony (1980)
- Charles in Charge (1984–1985)
- Josh Peck (born 1986)
- The Amanda Show (2000–2002)
- The Newcomers (2000)
- Snow Day (2000)
- Max Keeble's Big Move (2001)
- Spun (2002)
- Meeno Peluce (born 1970)
- Space Academy (1977–1979)
- The Amityville Horror (1979)
- The Bad News Bears (1979–1980)
- Voyagers! (1982–1983)
- Sean Penn (born 1960)
- Little House on the Prairie (1974)
- Radames Pera (born 1960)
- A Dream of Kings (1968)
- Medical Center (1969)
- The Red Skelton Show (1969)
- The Interns (1970)
- Lassie (1970–1971)
- The Bill Cosby Show (1971)
- Cannon (1971)
- Family Affair (1971)
- Incident In San Francisco (1971)
- Night Gallery (1971)
- The Waltons (1972)
- Gidget Gets Married (1972)
- Marcus Welby, M.D. (1972–1973)
- Kung Fu (1972–1975)
- The Rookies (1972)
- The Six Million Dollar Man (1973)
- Hawaii Five-O (1973)
- Shazam! (1975)
- Little House on the Prairie (1975–1977)
- Project U.F.O. (1975)
- Gerald Perreau-Saissine (born 1938)
- Passage to Marseille (1944) (uncredited)
- Possessed (1947)
- Enchantment (1948)
- Family Honeymoon (1949)
- The Red Pony (1949)
- Quo Vadis (1951)
- Gigi Perreau (born 1941)
- Enchantment (1948)
- Family Honeymoon (1949)
- My Foolish Heart (1949)
- For Heaven's Sake (1950)
- Bonzo Goes to College (1952)
- Has Anybody Seen My Gal? (1952)
- The Man in the Gray Flannel Suit (1956)
- Dance with Me Henry (1956)
- The Cool and the Crazy (1958)
- Chris Petersen (born 1963)
- The Swarm (1978)
- When Every Day Was the Fourth of July (1978)
- The Little Dragons (1979)
- ABC Afterschool Special (1978)
- Pat Petersen
- ABC Weekend Specials (1977–1982)
- How the West Was Won (TV series) (1978)
- The Little Dragons (1979)
- Knots Landing (1979–1991)
- Paul Petersen (born 1945)
- The Donna Reed Show (1958–1966)
- Amanda Peterson (born 1971)
- Annie (1982)
- Explorers (1985)
- Can't Buy Me Love (1987)
- A Year in the Life (1986), (1987–1988)
- Listen to Me (1989)
- Mackenzie Phillips (born 1959)
- American Graffiti (1973)
- One Day At A Time (1975–1983)
- River Phoenix (1970–1993)
- Surviving (1985)
- Explorers (1985)
- Stand By Me (1986)
- The Mosquito Coast (1986)
- Bradley Pierce (born 1982)
- Chaplin (1992)
- Man's Best Friend (1993)
- Jumanji (1995) - as Peter
- The Borrowers (1997)
- Danny Pintauro (born 1976)
- Cujo (1983) - as Tad Trenton
- As the World Turns (1983–1984)
- Who's the Boss? (1984–1992)
- Dana Plato (1964–1999)
- California Suite (1978)
- Diff'rent Strokes (1978–1984) - as Kimberly Drummond
- High School U.S.A. (1983)
- Martha Plimpton (born 1970)
- The River Rat (1984)
- The Goonies (1985)
- The Mosquito Coast (1986)
- Shy People (1987)
- Eve Plumb (born 1958)
- The Brady Bunch (1969–1974) - as Jan Brady
- The Brady Kids (1972–1974) (voice)
- Scarlett Pomers (born 1988)
- Indictment: The McMartin Trial (1995)
- The Baby-Sitters Club (1995)
- Star Trek: Voyager (1998–2001)
- Slappy and the Stinkers (1998)
- Mighty Joe Young (1998)
- Children of a Laughing God (1999)
- Happy, Texas (1999)
- Baby Geniuses (1999)
- That's Life (2000–2001)
- Geppetto (2000)
- Erin Brockovich (2000)
- Reba (2001–2007) - as Kyra Hart
- A Ring of Endless Light (2002)
- Alisan Porter (born 1981)
- Homesick (1988)
- Parenthood (1989)
- I Love You to Death (1990)
- Curly Sue (1991)
- Todd Porter (born 1968)
- Peter Pan (1979 revival) (1979)
- Starstuff (1980–1981)
- Pinocchio's Christmas (1980)
- Earthbound (1981)
- Whiz Kids (1983–1984)
- Natalie Portman (born 1986)
- The Professional (1994)
- Heat (1995)
- Beautiful Girls (1996)
- Mars Attacks! (1996)
- Kyla Pratt (born 1986)
- Barney's Great Adventure (1998)
- Dr. Dolittle (1998)
- Love and Basketball (2000)
- Dr. Dolittle 2 (1998)
- The Proud Family (2001–2005)
- One on One (2001–2006)
- Jon Provost (born 1950)
- Lassie (1958–1964)
- Devyn Puett (born 1977)
- Kids Incorporated (1988–1989) - as Devyn
Read more about this topic: List Of Former Child Actors From The United States