Sean Maher

From The Firefly and Serenity Database

Sean Maher played Dr. Simon Tam, a medical researcher and trauma surgeon of the first caliber (top 3% in his class at a top core planet institution), who was on the run after breaking his sister River out of a government research facility. His bumbling attempts at a relationship with Kaylee were a recurring subplot throughout the series, and at every turn he seemed to find a way to unwittingly foil his own romantic desires.