Monk

Tony Shalhoub portrays the character of Adrian Monk in the show. Monk is a highly intelligent and observant detective with a severe case of obsessive-compulsive disorder (OCD). He is known for his incredible attention to detail and problem-solving skills, which often help him solve even the most complex cases. Monk's OCD is both a blessing and a curse, as it provides him with unique insights but also presents numerous challenges in his personal and professional life.

Ted Levine plays the role of Leland Stottlemeyer, Monk's longtime friend and the captain of the San Francisco Police Department. Stottlemeyer is a dedicated and by-the-book police officer who respects Monk's exceptional detective skills. Throughout the show, Stottlemeyer serves as Monk's confidant and often relies on him to crack tough cases.

Jason Gray-Stanford portrays the character of Randall Disher, a bumbling but well-meaning police detective who works alongside Monk and Stottlemeyer. Disher is known for his naivety and occasional clumsiness, but he is fiercely loyal to his colleagues. Despite his shortcomings, Disher provides comic relief in the show and occasionally stumbles upon important clues.

Traylor Howard plays the role of Natalie Teeger, Monk's loyal and resourceful assistant. Natalie becomes Monk's assistant after Sharona Fleming's departure from the show. She is a single mother who quickly adapts to Monk's unique quirks and assists him in his investigations. Natalie provides emotional support to Monk and helps him navigate his OCD while working on cases.

Bitty Schram portrays the character of Sharona Fleming, Monk's original assistant in the first three seasons of the show. Sharona is a capable nurse who assists Monk in his investigations. She has a no-nonsense attitude and often pushes Monk out of his comfort zone. Sharona's departure from the show leads to the introduction of Natalie Teeger as Monk's new assistant.

Stephen McHattie appears in the show as a recurring character in various episodes. He takes on different roles, including villains and suspects. McHattie's performances add depth and intrigue to the show, leaving viewers guessing about his true intentions.

Polly Draper appears as Rita Bronwyn in an episode of Monk. Rita Bronwyn is a character involved in one of Monk's investigations and contributes to the development of the plot.