Dr. Ken

Ken Jeong portrays Dr. Ken, the main character of the show. Dr. Ken is a talented physician who often finds himself in awkward and comical situations due to his unconventional approaches to medicine. Despite his quirks, he is dedicated to his patients and caring towards his family.

Suzy Nakamura plays Allison Park, Dr. Ken's wife. Allison is a no-nonsense therapist and a strong support system for her husband. She often finds herself caught up in the chaos caused by Dr. Ken's antics, but remains loving and understanding.

Dave Foley portrays Pat, Dr. Ken's boss and father figure. Pat is the head of the HMO where Dr. Ken works and is known for his strict yet endearing personality. Despite their occasional clashes, Pat respects Dr. Ken's medical abilities and values him as a colleague.

Tisha Campbell stars as Damona, a nurse at the HMO and one of Dr. Ken's closest friends. Damona is charismatic, sassy, and always ready with sarcastic remarks. She provides a comedic element to the show while also offering her support to Dr. Ken.

Jonathan Slavin plays Clark, another nurse at the HMO. Clark is kind-hearted but overly anxious, often worrying about the smallest of details. His neurotic tendencies provide many comedic moments throughout the series.

Kate Simses portrays Julie, the head nurse at the HMO. Julie is efficient, organized, and takes her job very seriously. She often finds herself caught in the middle of the chaos caused by the other characters, trying her best to keep everything running smoothly.

Albert Tsai plays Dave, Dr. Ken and Allison's son. Dave is a highly intelligent and precocious child, often being more mature than his age suggests. He shares a special bond with his father and provides a source of comedic relief with his witty remarks.

Krista Marie Yu stars as Molly, Dr. Ken and Allison's daughter. Molly is a typical teenager who navigates the ups and downs of high school life. She is compassionate, independent, and forms a strong bond with her family amidst the chaos that surrounds them.