Jeff Kober

Actor (Iko) — Voyager

American actor who played Iko, the condemned Nygean murderer changed by the Doctor's treatment in the Voyager episode Repentance, and later the Coridanite rebel Traeg in Enterprise.

Jeff Kober is an American actor known for intense and often menacing roles in film and television.
In the seventh-season Voyager episode Repentance he played Iko, a violent Nygean prisoner being carried to his execution. After the Doctor repairs a defect in his brain using Seven of Nine's nanoprobes, Iko develops a conscience for the first time and is overwhelmed by guilt for his crime.
Kober returned to Star Trek in Enterprise, playing Traeg, a leader of the rebels on Coridan who take Captain Archer and T'Pol hostage in Shadows of P'Jem.