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| Brian Dietzen | |
|---|---|
| Name | Brian Dietzen |
| Birth date | 14 November 1977 |
| Birth place | El Paso, Texas, United States |
| Occupation | Actor |
| Years active | 2003–present |
| Known for | NCIS |
Brian Dietzen is an American actor known principally for his recurring and later series-regular role on the television procedural drama NCIS, where he portrays an intelligence analyst and medical examiner assistant. He has appeared across network television, feature films, and theater, working with established productions and creative teams in Los Angeles and regional theaters. Dietzen's career spans film, television, and stage, with credits that link him to a range of American entertainment institutions and fellow performers.
Dietzen was born in El Paso, Texas, and raised in Colorado Springs, connecting his upbringing to institutions and cultural life in El Paso, Texas and Colorado Springs, Colorado. He attended Air Academy High School and later studied theater and performance at the University of Colorado Colorado Springs and the University of Colorado Boulder, where he trained in acting techniques and participated in campus productions. During his formative years he appeared in regional theater productions associated with companies such as the Colorado Springs Fine Arts Center and worked with directors linked to the Denver Center for the Performing Arts and touring companies. His early training included exposure to methods taught in conservatories and university drama programs popular among actors who later join ensembles on Broadway and Hollywood stages.
Dietzen's professional career began in regional theater and independent film, leading to guest roles on series produced by networks like CBS, NBC, and ABC. Early television appearances placed him alongside casts from shows produced by studios such as Paramount Television and crews from production houses tied to franchises like JAG and CSI: Crime Scene Investigation. He moved to Los Angeles, where his work intersected with casting directors and producers who also worked on series including NCIS: Los Angeles, Hawaii Five-0, and other procedurals.
Dietzen joined the cast of NCIS in a supporting capacity and his role expanded over multiple seasons; his trajectory mirrors that of actors promoted from recurring parts to series regulars in long-running network dramas. Onset, he worked with series creators and showrunners who had previously collaborated on projects associated with Mark Harmon, Donald P. Bellisario, and writers who have contributed to JAG and NCIS spinoff productions. Beyond NCIS, Dietzen has appeared in feature films produced by companies such as Warner Bros., Sony Pictures, and independent distributors, sharing credits with actors and filmmakers active in contemporary American cinema.
His stage work continued intermittently, with performances routed through regional venues connected to touring productions that often include actors who transition between stage and screen, linking him to networks of performers who have appeared on Broadway, in Off-Broadway houses, and at festivals like the Edinburgh Festival Fringe.
Dietzen is best known for portraying an assistant and forensic specialist on NCIS, a role that saw him appear in episodes spanning cases that sometimes intersected with crossovers to series like NCIS: Los Angeles and NCIS: New Orleans. His television guest-starring credits include appearances on series produced by major studios and networks including CSI: Miami, Bones, and other procedural and dramatic series that circulate talent among franchises associated with CBS Television Studios.
In film, Dietzen has credits in independent features and studio projects, working on sets with cinematographers and directors connected to films released through distributors such as Lionsgate and Magnolia Pictures. He has been part of ensemble casts where collaborators included actors who have led series on NBC, Fox, and cable networks.
Selected filmography (highlights): - Television: recurring and main cast appearances on NCIS; guest roles on series tied to CBS, FOX, and ABC. - Film: roles in independent and studio productions released domestically and at film festivals associated with organizations like the Sundance Film Festival and Tribeca Film Festival. - Theater: regional productions linked to the Denver Center for the Performing Arts and touring companies that mount plays on circuits serving Los Angeles and the San Francisco Bay Area.
Dietzen resides in California and has been noted in profiles linking him to family life shared with fellow performers and crew members within the Los Angeles entertainment community. His off-screen activities have included participation in charity events and public appearances often associated with causes supported by cast members from network series, alongside organizations such as entertainment-industry charities and local community initiatives. He maintains connections to his Colorado roots and occasionally returns for regional theater projects and public appearances in venues across Colorado.
Dietzen's work received recognition primarily through fan-based awards and ensemble acknowledgments associated with long-running television series. His role on NCIS contributed to the show's nominations and awards at ceremonies involving industry organizations and fan-voted platforms that celebrate achievements in television, similar to honors given by groups connected to People's Choice Awards, TV Guide Awards, and critics' circles in major markets such as Los Angeles and New York City.
Category:1977 births Category:American male actors Category:People from El Paso, Texas