Gary Olson is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1983 | Undercover | God Rules | Drums, Vocals |
| 1984 | Undercover | Boys and Girls Renounce the World! | Drums |
| 1986 | Undercover | Branded | Drums |
| 1988 | Undercover | Volume 1 | Drums, Vocals |
| 1988 | Undercover | 3-28-87 | Drums |
| 1989 | Undercover | Volume 2 | Drums |
| 1990 | Undercover | Balance of Power | Drums, Vocals |
| 1992 | Undercover | Devotion | Drums |
