Topzle Updated: Wikipedia source
Haywood Knowles Nelson Jr. (born March 25, 1960) is an American actor. He is best known for having portrayed Dwayne Nelson in the television series What's Happening!!, which aired from 1976 to 1979, as well as in its spin-off series What's Happening Now!!, from 1985 to 1988.
| Year | Title | Role | Notes |
| 1971–74 | As the World Turns | Jerry Smith | |
| 1974 | Mixed Company | Freddie | Feature film |
| 1975 | Sanford and Son | Haywood Marshall | Episode: "The Family Man" |
| 1975–76 | Grady | Haywood Marshall | Main cast (10 episodes) |
| 1976–79 | What's Happening!! | Dwayne Nelson | Main cast (65 episodes) |
| 1977 | Kojak | Bobby Moore | Episode: "The Godson" |
| 1977 | The Brady Bunch Hour | Dwayne Nelson | Episode |
| 1979 | The White Shadow | Randy Judd | Episode: "Sudden Death" |
| 1981 | Evilspeak | Kowalski | Feature film |
| 1983-84 | That Teen Show | Haywood Nelson | Co-host |
| 1985–88 | What's Happening Now!! | Dwayne Nelson | Main cast (66 episodes) |
| 1990 | Dragnet | Lyle Peters | Episode: "The Book" |
| 2000 | The Parkers | Himself (cameo) | Episode: "Whassup with Heyyy?" |
| 2003 | Dickie Roberts: Former Child Star | Himself (cameo) | Feature film |