Colin Donnell

In March 2015, Donnell joined NBC drama pilot Love Is A Four Letter Word playing Sean, an ad agency partner. The show was passed on. Donnell then landed a regular role in the NBC series, Chicago Med, playing a doctor in trauma surgery. On April 19, 2019, it was announced that Donnell was leaving the series after four seasons as a series regular.

In July and August 2013, Donnell starred as Berowne in the musical adaptation of Shakespeare's Love's Labour's Lost. He also appeared as Elizabeth Banks' husband in the crime thriller Every Secret Thing, which was released on May 15, 2015.

Donnell began dating actress Patti Murin in 2013 after they co-starred in a musical adaptation of Love's Labour's Lost. They became engaged in December 2014, and married on June 19, 2015, in New York City.

In January 2014, it was announced that Donnell was cast as Monty in the 1960s-era Broadway musical Violet alongside Sutton Foster and Joshua Henry; previews began on March 28, and the show officially opened on April 20. Also in April, Donnell joined the cast of concert Bright Lights, Big City, which was performed on June 16, 2014. In July, Donnell was cast to play Joshua Jackson's brother in Showtime original drama The Affair.

In November 2014, Donnell joined the cast of Broadway Sings P!NK, which would take place on January 19 and 25, 2015. That same month, he joined the cast of City Center Encores' production of the musical Lady, Be Good, alongside Tommy Tune, Erin Mackey and Patti Murin. The show ran for seven performances, from February 4–8, 2015.

Donnell is a literary aficionado and a musician. He has two tattoos from his tour trips – one from Memphis and one from Dayton; which are five silhouettes of birds to represent his family, and a Fleur De Lis, because his mother is French.

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.

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.

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).