| Mark Gash | |
|---|---|
| Personal Information | |
| Character | H.J. Johnson |
| Birthday | |
| Birth Place | |
| Appearances | "Insane in the P-Brane" |
Mark Gash is an actor who plays H.J. Johnson on Eureka. His other work includes Watchmen (2009), and TV series like Psych, Once Upon a Time and Human Target.