Colin Donnell (born October 9, 1982) is an American actor and singer best known for his performances as Billy Crocker in Anything Goes, Tommy Merlyn in The CW television series Arrow, Scotty Lockhart on the Showtime drama The Affair and as Dr. Connor Rhodes in the NBC medical drama Chicago Med (2015–2019).
Colin Donnell was born in St. Louis, Missouri, as the youngest of three boys. He has Irish and French ancestry. He played the guitar and took singing lessons when he was 17. His introduction to the stage was in high school where he was a part of the choir and was in the background juggling and doing circus tricks, which led to being part of his first school musical production of Barnum. Donnell graduated from Indiana University in 2005.
Donnell has been part of many national stage tours, such as Mamma Mia! and Wicked. His first Broadway Theatre performance was in Jersey Boys as Hank Mejewski. His other stage credits include Follies, Meet Me in St. Louis, Anything Goes for which he was nominated for a Drama Desk Award, Johnny Baseball and many more. Donnell made his television debut by playing Mike Ruskin in the television series Pan Am. In 2012, Donnell was cast as Tommy Merlyn in television series Arrow, however, he left the series after season one as his character gets killed off, but made occasional appearances in later seasons. Donnell also portrayed Tommy's Earth-X counterpart in the crossover special, and Human Target posing as his character late in season six. Donnell returned as a guest for the series' eighth and final season.