John Higgins has joined the cast of ABC’s comedy series "Scrubs" in its second season, taking on the role of Grant Summers, the new chief resident at Sacred Heart Hospital. Higgins, known for his work on "Saturday Night Live," brings a fresh dynamic to the series as his character clashes with Zach Braff’s protagonist, J.D., despite being lower in the hospital hierarchy.
In the season two premiere, viewers see Summers quickly establish himself as a confident and highly educated doctor, reportedly coming from some of the top medical schools and hospitals. This new arrival adds pressure to J.D., who is already grappling with self-doubt after returning to Sacred Heart in a leadership role following years away from an urban hospital environment.
Braff described J.D.’s character as wrestling with insecurities about his medical competence, especially in light of his previous work as a concierge physician focused on less acute conditions such as erectile dysfunction and insomnia. The shift back to an underfunded hospital setting represents a significant challenge for J.D., amplifying his concerns about whether he is still "up to the task."
Tensions between the two doctors surface quickly. In one instance, Summers reports J.D. to human resources over an insurance fraud scheme intended to help Dr. Cox (played by John C. McGinley), who is struggling with a rare autoimmune disease called microscopic polyangiitis. This development intensifies the professional rivalry between Summers and J.D., who must also contend with the difficulty of diagnosing and treating Dr. Cox’s condition.
Despite initial awkward moments—including a bungled attempt by J.D. to establish mentorship with Summers—both characters display promising potential for growth, though their interactions frequently lead to conflict. Braff acknowledged that these clashes serve the comedic aspect of the show while maintaining emotional authenticity, emphasizing the importance of highlighting the dedication and skills of medical professionals.
Braff underscored that the series continues to celebrate healthcare workers as the “superheroes” of the setting, affirming that the main characters—J.D., Sarah Chalke, and Donald Faison—remain highly competent doctors and nurses amid the humor and drama. While J.D. faces professional challenges and personal doubts, the narrative reinforces the significance of the work being done at Sacred Heart, combining comedy with moments of heartfelt truth.
As the season progresses, the evolving relationship between J.D. and Summers is expected to remain a focal point, blending humor with themes of mentorship, rivalry, and medical ethics.