Musetta Vander

Actor (Derran Tal) — Voyager

South African actress who played Derran Tal, the Varro engineer with whom Harry Kim begins a forbidden romance, in the fifth-season Voyager episode The Disease.

Musetta Vander is a South African-born actress whose film work includes Wild Wild West and O Brother, Where Art Thou?, alongside many television guest roles.
In the fifth-season Voyager episode The Disease she played Derran Tal, an engineer aboard a Varro generation ship that Voyager's crew are helping to repair. She and Harry Kim become lovers in secret, breaking Starfleet rules on relations with alien species.
The bond leaves Kim physically affected, as Varro mates are biochemically linked, and Tal is revealed to be part of a dissident movement working to break the ship apart so its people can go their own ways.