| Pamela Blair | Lt. Cmdr. Joanne Galloway | |
| Stephen Bradbury | Capt. Matthew A. Markinson | |
| Timothy Busfield | Lt. j.g. Daniel A. Kaffee | (May 14, 1990 - ?) |
| Michael Countryman | Lt. j.g. Sam Weinberg | |
| Kurt Deutsch | Cpl. Jeffrey Owen Howard | |
| Jeffrey Dreisbach | Lt. Jonathan James Kendrick | |
| Michael Genet | Lance Cpl. Harold W. Dawson | |
| Mike Hodge | Capt. Julius Alexander Randolph | |
| Perry King | Lt. Col. Nathan Jessep | |
| Keith Langsdale | Cmdr. Walter Stone | |
| Joshua Malina | Pfc. Louden Downey | |
| Michael O'Hare | Lt. Col. Nathan Jessep | |
| Ron Perlman | Lt. Col. Nathan Jessep | |
| Bradley Whitford | Lt. Jack Ross | (circa. Jul 1990 - ?) |
| Lt. j.g. Daniel A. Kaffee | (circa. Sep 1990 - ?) |