American actor who played the engineering crewman Michael Rostov in three episodes of Star Trek: Enterprise, following two guest roles in Star Trek: Voyager including the poet Kelis in Muse.
Joseph Will is an American actor who worked on two Star Trek series. In Voyager he played Kelis, the alien playwright who turns B'Elanna Torres's stories into drama in Muse, and later a security officer in the two-part Workforce.
On Star Trek: Enterprise he had the recurring part of Crewman Michael Rostov, a member of Tucker's engineering staff. Rostov is one of the crew seized by the tendrilled lifeform in Vox Sola, appears in Two Days and Two Nights, and is among those affected by the non-corporeal beings in The Crossing.
Rostov was one of several lower-ranking crew members the first two seasons returned to from time to time to fill out life below decks.