Unverified
Is Mars Callahan Still Alive?
Biography
Filmography12 titles
Importing filmography…
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2025 | Dog Patrol: Operation Santa PawsMovie | Agent Matters | — |
| 2002 | Poolhall JunkiesMovie | Johnny | — |
| 1996 | That Thing You Do!Movie | Ernie the Disc Master Engineer | — |
| 1994 | ERSeries | Matt | — |
| 1994 | CliffordMovie | Brian | — |
| 1993 | KaliforniaMovie | Walter Livesy | — |
| 1991 | Highway to HellMovie | State Policeman | — |
| 1989 | I Know My First Name Is StevenSeries | Victor (Age 14) | — |
| 1988 | The Wonder YearsSeries | Steve | — |
| 1988 | TV 101Series | Jack #1 | — |
| 1986 | The Children of Times SquareMovie | Brian (as Gregory 'Mars' Martin) | — |
| 1979 | Knots LandingSeries | Man | — |