Theodore Martin McGinley, born on May 30, 1958, is an American actor whose career has been defined by a remarkable ability to join established television series and become a beloved fixture. Often referred to as the "Patron Saint of Jumping the Shark" due to his tendency to join shows late in their runs, McGinley has transcended that label to build a durable and respected career in both comedy and drama. He is perhaps best known for his long-running role as the dim-witted but good-hearted Jefferson D'Arcy on the iconic sitcom Married... with Children, a part that cemented his place in television history.

McGinley's path to acting was not a direct one. He was a standout athlete in his youth, playing water polo and surfing, and he attended the University of Southern California on an athletic scholarship. After college, he began working as a model, which led to his first television role. In 1980, he joined the cast of Happy Days as Roger Phillips, a role that marked his first major foray into television and introduced him to a wide audience. This was followed by a stint on the primetime soap opera Dynasty, where he played Clay Fallmont, further demonstrating his versatility. He also became a regular on the beloved anthology series The Love Boat, appearing as various characters. In 1984, he took on the memorable villainous role of Stan Gable, the arrogant jock, in the hit comedy Revenge of the Nerds, a performance he would reprise in several made-for-television sequels.

McGinley's most iconic role came in 1991 when he was cast as Jefferson D'Arcy on Married... with Children. Joining the show in its fifth season, he played the husband of Christina Applegate's character, Kelly Bundy. His portrayal of the lovable, often clueless Jefferson provided a perfect comedic foil to the Bundy family's dysfunction, and he remained a core part of the show until its end in 1997. This role solidified his reputation as a reliable comedic actor. Following the series, he continued to work steadily in television, taking on lead roles in shows like Hope & Faith, where he played Charley Shanowski opposite Kelly Ripa and Faith Ford, and The West Wing, where he had a recurring role as Mark Gottfried.

In recent years, McGinley has enjoyed a career resurgence with a critically acclaimed performance in the Apple TV+ comedy-drama Shrinking. In the series, he plays Derek Bishop, the kind and supportive husband of Jessica Williams' character, Gaby. His portrayal of Derek, a man navigating the complexities of his wife's friendships and his own emotional journey, has been praised for its warmth and depth, earning him a new generation of fans. This role has effectively redefined his legacy, showcasing his ability to bring genuine heart and humor to a character. From his early days on classic sitcoms to his recent dramatic work, Ted McGinley has proven himself to be a versatile and enduring presence in the entertainment industry.