| Year | Title | Role | Notes |
|---|
| 1964 | Marnie | Young Marnie | Movie (uncredited) |
| 1965 | Wagon Train | Samantha | Episode: "The Katy Piper Story" (as Melody Thomas) |
| 1969 | Ironside | Leslie Richards | Episode: "Goodbye to Yesterday" (as Melody Thomas) |
| 1971 | The Beguiled | Abigail | Movie (as Melody Thomas) |
| 1975 | Posse | Laurie | Movie (as Melody Thomas) |
| 1976 | The Shootist | Girl on streetcar | Movie (as Melody Thomas) |
| 1977 | Secrets | Laura Fleming | TV Movie (as Melody Thomas) |
| 1977 | Code R | Linda | Episode: "The Firebug" (as Melody Thomas) |
| 1977 | Fish | Joanie Kellen | Episode: "The Neighbors" (as Melody Thomas) |
| 1977 | The Car | Suzie Pullbrook | Movie (as Melody Thomas) |
| 1977 | The Waltons | Darlene Jarvis | Episodes: "The Go-Getter" and "The Seashore" (as Melody Thomas) |
| 1978 | Charlie's Angels | Betsy Harper | Episodes: "The Sandcastle Murders" (as Melody Thomas) |
| 1978 | The Fury | LaRue | Mov
|