Dennis O'Neil is an American actor renowned for his roles on the television series, "The Office" and "Law and Order: Special Victims Unit". He was born in the Bronx, New York on August 16th, 1956. He grew up in a working-class family and attended local public schools.
O'Neil began his acting career in the late 1970s, performing in several Off-Broadway plays. In 1980, he made his first television appearance in an episode of the series, "All in the Family". From there, he began to gain recognition for his roles in television, appearing in shows such as "Hill Street Blues", "Kojak", and "Cheers".
In 1989, O'Neil was cast as a regular on the long-running police drama, "Law and Order: Special Victims Unit". He played the role of Detective Mike Logan, a tough and gruff NYPD detective, for seven seasons, before leaving the show in 1997. During his time on the series, he earned three Primetime Emmy Award nominations for Outstanding Guest Actor in a Drama Series.
In 2005, O'Neil made his debut on the hit comedy series, "The Office". He played the role of Stanley Hudson, a grumpy salesman working at Dunder Mifflin, for seven seasons. His performance earned him a Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series.
In addition to his television work, O'Neil has appeared in several films, including "The Paper Chase" (1973), "The Verdict" (1982), "The Hudsucker Proxy" (1994), and "The Producers" (2005). He has also had several guest starring roles on shows such as "Law & Order: Criminal Intent" and "The Good Wife".
Dennis O'Neil continues to be a well-respected actor, known for his award-winning performances and his memorable characters. He has earned two Emmy Award nominations, a Screen Actors Guild Award, and has been recognized for his work with several other awards. He is a beloved actor, whose career has spanned five decades.