The following year, away from film, Eckhart guest starred in two episodes of NBC's comedy sitcom "Frasier", where he played a boyfriend of Charlotte, Dr. Frasier Crane's love interest. His next film role was in E. Elias Merhige's thriller "Suspect Zero", a movie about an FBI agent who tracks down a killer who murders serial killers. Upon release, the movie received broadly negative reviews. Despite the reception, Eckhart's performance was favored by critics; "Newsday" wrote that Eckhart was a "classically handsome leading man ... but Merhige demands of him complexity and anguish." "Suspect Zero" was a box office disappointment, earning $11 million worldwide. Also in 2004, Eckhart starred on the London stage, opposite Julia Stiles, in David Mamet's "Oleanna" at the Garrick Theatre. The drama ran until mid-2004. For this performance, Eckhart received favorable critical reviews. In 2005, returning to film, Eckhart appeared in "Neverwas" as a therapist who takes a job at a rundown mental hospital that once treated his father (Nick Nolte). The feature was never given a full theatrical release, eventually being released straight to DVD in 2007.