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Michael Landon Sr. (born Eugene Maurice Orowitz; October 31, 1936 – July 1, 1991) was an American actor and filmmaker. He is known for his roles as Little Joe Cartwright in Bonanza (1959–1973), Charles Ingalls in Little House on the Prairie (1974–1983), and Jonathan Smith in Highway to Heaven (1984–1989). Landon appeared on the cover of TV Guide 22 times, second only to Lucille Ball.
| Year | Title | Role | Notes |
| 1956 | These Wilder Years | Boy in Poolhall | Uncredited |
| 1957 | I Was a Teenage Werewolf | Tony Rivers | |
| 1958 | Maracaibo | Lago Orlando | |
| High School Confidential! | Steve Bentley | ||
| God's Little Acre | Dave Dawson | ||
| 1959 | The Legend of Tom Dooley | Tom Dooley | |
| 1961 | The Errand Boy | Joseph 'Little Joe' Cartwright | Uncredited |
| 1976 | The Loneliest Runner | John Curtis (adult) | |
| 1982 | Love Is Forever | John Everingham | Also co-producer |
| 1984 | Sam's Son | Gene Orman |
| Year | Title | Role | Notes |
| 1956 | Cheyenne | Cavalry trooper (Uncredited) | Season 1, Episode 7: "Decision" |
| The Adventures of Jim Bowie | Jerome Juventin | Season 1, Episode 4: "Deputy Sheriff" | |
| 1957 | General Electric Theater | Claude Duncan | Season 5, Episode 27: "Too Good with a Gun" |
| General Electric Theater | Dixon | Season 5, Episode 30: "The Bitter Choice" | |
| The Restless Gun | Sandy | Pilot episode | |
| Tales of Wells Fargo | Tad Cameron | Season 1, Episode 6: "Shotgun Messenger" | |
| Tales of Wells Fargo | Jackson | Season 1, Episode 10: "Sam Bass" | |
| Tales of Wells Fargo | Tad Cameron | Season 2, Episode 11: "The Kid" | |
| 1958 | The Texan | Nick Ahearn | Season 1, Episode 8: "The Hemp Tree" |
| Tombstone Territory | Barton Clark Jr. | Season 1, Episode 39: "Rose of the Rio Bravo" | |
| Cheyenne | Alan Horn / 'White Hawk' | Season 3, Episode 13: "White Warrior" | |
| Wanted Dead or Alive | Carl Martin | Season 1, Episode 1: "The Martin Poster" | |
| The Rifleman | Will Fulton | Season 1, Episode 3: "End of a Young Gun" | |
| 1959 | The Rifleman | Billy Mathis | Season 1, Episode 40: "The Mind Reader" |
| Wanted Dead or Alive | Clay McGarrett | Season 1, Episode 27: "The Legend" | |
| Tombstone Territory | Chris Anderson | Season 2, Episode 7: "The Man from Brewster" | |
| 1959–1973 | Bonanza | Joseph 'Little Joe' Cartwright | 430 episodes |
| 1974–1983 | Little House on the Prairie | Charles Ingalls / Narrator | 187 episodes |
| 1984–1989 | Highway to Heaven | Jonathan Smith | 111 episodes |
| 1990 | Where Pigeons Go to Die | Hugh at 50 | Television film; also director |
| 1991 | Us | Jeff Hayes | Television film; also director and writer |
| Year | Award / Organization | Category / Honor | Work | Result | Ref. |
| 1969 | Bambi Award | TV series International | Bonanza(shared with Lorne Greene, Dan Blocker, Pernell Roberts) | Won | |
| 1970 | Bronze Wrangler Award | Fictional Television Drama | Bonanza episode: "The Wish"(shared with director, producer and cast) | Won | |
| 1979 | Golden Globe Award | Best TV Actor – Drama | Little House on the Prairie | Nominated | |
| 1980 | Spur Award | Best TV Script | Little House on the Prairie episode: "May We Make Them Proud" | Won | |
| 1984 | Hollywood Walk of Fame | Television Star at 1500 N. Vine Street | Inducted | ||
| Golden Boot Award | Significant Contribution to the Western Genre | Honored | |||
| 1991 | Youth in Film Award | Michael Landon Award | Outstanding Contribution to Youth Through Entertainment | Honored | |
| 1995 | Television Hall of Fame | Significant Contribution to the Field of Television | Honored | ||
| 1998 | National Cowboy & Western Heritage Museum | Western Performers Hall of Fame | Inducted | ||
| 2004 | TV Land Award | Most Memorable Mane | Little House on the Prairie | Nominated | |
| 2005 | TV Guide | 50 Sexiest Stars of All Time | Ranked | ||