| Feature | Helder (tt0003870) | John Marker (chemistry student) (tt0138472) |
|---|---|---|
| Image |  | |
Character | ||
Movie | ||
Compare | ||
| Compare | Compare to another character | Compare to another character |
| Feature | Helder (tt0003870) | John Marker (chemistry student) (tt0138472) |
|---|---|---|
| Image | | |
Character | ||
Movie | ||
Compare | ||
| Compare | Compare to another character | Compare to another character |