Having produced for television since the early 1980s, Dennis Hammer has become a trusted name in television. He began his career in television as a casting director at Aaron Spelling Productions and eventually became a producer for popular Spelling series such as The Love Boat and Dynasty. He also developed and produced all twenty of the Danielle Steel Television movies for NBC; these became one of the most successful made-for-television franchises in television history. His more recent works include Tim Kring's Crossing Jordan and Full Circle, to name a few. Following Heroes, Dennis produced Tim Kring's Touch.
- Dennis Hammer's name appears on a shrine at the explosion memorial.
- Nurse Hammer is named after Dennis Hammer.
- According to Greg Beeman's blog, Dennis Hammer works on prepping the show, works on the story, deals with the budget, and loves to deal with advertising and promotion and "all of those kinds of things."
- Press Conference with Dennis Hammer, Jack Coleman, Hayden Panettiere, Adrian Pasdar, and Milo Ventimiglia during the Heroes World Tour, 8/30/07