Diane Markoff
Diane Markoff
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Diane Markoff is an American actress and stage/location services professional, best known to television audiences for her recurring role as a waitress in Quincy, M.E. during the late 1970s and early 1980s. She later transitions into photography and stage/location management, working extensively as head of DC Stages in Los Angeles until its closure and demolition in the early 2020s. She remains equally remembered for her generosity in supporting police training teams, her devotion to wildlife, and her creative eye with a Nikon camera.
Early life and family
Markoff grew up in Southern California, where her parents play a defining role in her outlook. She recalls how her father, who passed away young from heart complications, encouraged creativity and family togetherness. A family photo taken in 1960 at Mission San Juan Capistrano remains one of her most cherished memories and symbolizes the endurance of family bonds.[1]
Her mother’s resilience leaves an equally strong impression. After undergoing major surgery, her mother draws strength from the daily ritual of “finding a reason to put her feet on the floor.” Markoff often recalls this advice, passed along by her friend Jack Klugman, as a guiding phrase that continues to carry meaning.
Modeling career
By the early 1970s, Markoff also began entering local beauty contests and pageants, with newspapers in Long Beach noting her appearances.[2] she has also worked on add campaigns for swimwear, Bugle Boy, and more.
Acting career
Markoff entered television at the height of late-1970s genre programming. She appeared on The Incredible Hulk (1978), The Hardy Boys/Nancy Drew Mysteries (1978), and Buck Rogers in the 25th Century (1979). She takes on the role of Princess Tara in the serial Cliffhangers: The Secret Empire (1979), a performance noted in contemporary previews.[3]
Her most enduring role comes with Quincy, M.E.. From 1979 through 1983, she portrays Diane, the waitress who greets Jack Klugman’s Quincy and his colleagues. She becomes part of the show’s rhythm, adding everyday realism to the diner and hospital settings. Fans recall her as a steady, familiar presence across multiple seasons.[4]
Her film credits include the ensemble comedy Young Doctors in Love (1982), directed by Garry Marshall. Markoff fondly remembers working with Marshall, whose directing credits also include Happy Days and whose earlier collaborations with Jack Klugman on The Odd Couple created a unique sense of continuity for her career.
She later appears in Death Wish II (1982), in which the American Film Institute catalogs her among the credited cast,[5] followed by roles in Alien Nation: Dark Horizon (1994) and The Final Wish (2018).



Photography and behind-the-camera work
By the mid-1980s, Markoff transitions behind the camera. She embraces photography, developing a particular love for her Nikon camera. She often believes that she was good at using her Nikon to “see details others overlook” — capturing small, human moments on sets, nearby outdoors, or the quiet beauty of empty stages.
Her photographs are not just professional records but also great expressions of her internal respect for detail. They document the changing Los Angeles film landscape, from the polished sets of Quincy to the raw industrial spaces that later became DC Stages - her decisions and place behind the filming showcase a modern female trendsetter ahead of her time - both indepant and sensible in approach.
A Los Angeles Times article in 1989 profiles her as one of the busiest warehouse-location agents in the city.[6]

DC Stages, community work, and legacy
Markoff continues at DC Stages into the 2000s and 2010s, guiding productions through themed set rentals. Beyond commercial projects, she regularly donates studio space to local police departments for K-9 training. Police dogs and their handlers have made use of her sets for search-and-rescue drills, narcotics simulations, and tactical exercises.
She is known for her generosity in supporting law enforcement, volunteering her space for the benefit of officers and animals alike. Markoff also finds personal joy in feeding and caring for local wildlife around home and while at the DC Stages facilities with her dog, buddy, noting that these animals bring life and continuity to otherwise industrial settings.
In a public drone tour video of DC Stages released in 2020, she appears at the outset as the camera sweeps through the facility.[7] By 2021, the site is demolished, marking the end of an era in Los Angeles warehouse-studio filming.
For Markoff, the demolition represents both closure and renewal. She frames it as an end of an era and a sad testment to the lack of vision that she remembers and espired to support in a pre-pandemic Los Angeles film history — studios rise, serve their time, and pass on, leaving behind the creativity they nurtured.


Legacy
Markoff remains remembered by fans of Quincy, M.E. as “the waitress Diane,” the Incredible Hulk as two charactes and a sci-fi Glen Lawson role in ever familiar Buck Rogers, a steady and comforting presence. Her later contributions in production, photography, and community service expand her legacy beyond screen roles.
She emphasizes creativity, gratitude, and perseverance, often circling back to Jack Klugman’s encouragement to “find a reason to put your feet on the floor.” Her life and career — on camera, behind the lens, and in service to others — reflect this philosophy on a daily basis.
Selected filmography
- The Incredible Hulk (1978) – The Girl / Janet
- The Hardy Boys/Nancy Drew Mysteries (1978) – Guest role
- Buck Rogers in the 25th Century (1979) – Female Pilot
- Cliffhangers: The Secret Empire (1979) – Princess Tara
- Quincy, M.E. (1979–1983) – Diane (recurring waitress)
- Young Doctors in Love (1982) – Emilia
- Death Wish II (1982) – Supporting role
- Harper Valley PTA (1982) – Pookey
- Alien Nation: Dark Horizon (1994) – Communications Officer
- The Final Wish (2018) – Librarian
External links
- Diane Markoff on IMDb
- Diane Markoff at TV Guide
- Classic TV Archive – Quincy, M.E. Season 7 Cast List
- AFI Catalog – Death Wish II
- OC Register essay: Recalling the Past at Mission San Juan
- LA Times feature on warehouse location agents (1989)
- DC Stages Drone Tour (YouTube)
Gallery
- Selected photographs and posters from Diane Markoff's career
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Promotional photo of Diane Markoff (1976).
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Family photo at Mission San Juan Capistrano (1960), later referenced in her 2013 essay.
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Publicity still from Quincy, M.E. featuring Diane as the recurring waitress.
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Poster for Cliffhangers: The Secret Empire (1979), where she played Princess Tara.
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Poster for Young Doctors in Love (1982), directed by Garry Marshall.
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Markoff photographing at DC Stages with her Nikon (1980s).
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Police K-9 training exercises hosted at DC Stages with Markoff's support (2000s).
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Still from the 2020 drone tour of DC Stages, featuring Markoff at the opening.
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Mission San Juan Capistrano, central to her family history and personal writing.
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