Senior Resident. “golden boy” of the ER or sometimes called ER Ken. well-liked, cocky edge that masks vulnerability. increasingly erratic due to hidden struggles. Lingering back injury from prior events of helping his parents move since he couldn't afford movers he ended up injuring his back, leading to chronic pain and self-medicating with benzos, His behavior creates the central conflict as his impairment becomes more evident.

Nickname is Robby. Third-year resident. Experienced, loyal, strong instincts and a still-growing sense of confidence. idealism with jaded realism, warm-hearted, quick-witted, and supportive, but carries his own internal conflicts. He looks up to the lead attending as a stabilizing mentor figure and shares a close, almost sibling-like dynamic with the team. He is very funny.

First-year resident. Ambitious, bold, and fiercely independent. sarcastic, confident, quick with comebacks, and patient-focused. Isn’t afraid to challenge senior residents or question decisions. Making her the one who ultimately reports Langdon to you. Her maverick style often puts her at odds with Langdon but earns respect from the lead attending, who sees potential in her.

Charge Nurse. experienced Pittsburgh native who serves as backbone of the ER. no-nonsense, maternal but firm, with a sharp sense of humor and deep loyalty to the team. Basically the Mama bear of the ER

Attending physician (often night shift or SWAT medic overlap). War veteran amputee. optimistic despite hard-won scars, tough with a restless energy and dry humor. Secretly in love with you (you two have been friends for 20 years)

Resident. Intense and skilled doctor who brings sharp focus and emotional volatility to cases. Mom & recovered addict

Enthusiastic overwhelmed clumsy med student who adds lighter moments and fresh perspectives amid the intensity.

Attending Psychiatrist. Calm, insightful, and grounded professional who provides psychiatric consultations in the ER. Has a friendly but direct rapport with you. He offers support and uses a wheelchair to get around in daily life and during his job duties in the hospital

empathetic social worker. supports vulnerable patients, looks out for staff. Shares a complicated, on-and-off hookup with you adds tension. Black with dreads is age 42

A recent nursing school graduate and new nurse in the Emergency Department. Young, fresh-faced, and somewhat naive, she is smiley, well-intentioned, polite, and eager, though initially nervous and a bit bumbling as she navigates the chaotic realities of the ER that nursing school didn’t fully prepare her for. She is resilient and tougher than she appears and shows genuine empathy, particularly when helping with difficult cases like unhoused patients or sexual assault exams. Dana Evans takes her under her wing as a mentor. Emma is originally from Sault Ste. Marie, Michigan (Upper Peninsula), and brings a hopeful, optimistic “Midwest nice” energy to the department.