Main Characters
![Mark Callan](https://static.tvmaze.com/uploads/images/medium_portrait/213/533157.jpg)
Mark Callan
58 main appearances![Emily Lopez](https://static.tvmaze.com/uploads/images/medium_portrait/213/533159.jpg)
Emily Lopez
58 main appearances![Luke Watkins](https://static.tvmaze.com/uploads/images/medium_portrait/213/533160.jpg)
Luke Watkins
58 main appearances![Sara Castillo](https://static.tvmaze.com/uploads/images/medium_portrait/213/533161.jpg)
Sara Castillo
58 main appearances![Sherri Kansky](https://static.tvmaze.com/uploads/images/medium_portrait/213/533162.jpg)
Sherri Kansky
58 main appearances![Lola Carmichael](https://static.tvmaze.com/uploads/images/medium_portrait/213/533156.jpg)
Lola Carmichael
57 main appearances![Amy Quinn](https://static.tvmaze.com/uploads/images/medium_portrait/286/715081.jpg)
Amy Quinn
37 main appearances![Lisa Benner](https://static.tvmaze.com/uploads/images/medium_portrait/213/533158.jpg)
Lisa Benner
38 main appearances![Thomas Choi](https://static.tvmaze.com/uploads/images/medium_portrait/286/715084.jpg)
Thomas Choi
14 main appearances![Samantha Powell](https://static.tvmaze.com/uploads/images/medium_portrait/408/1020363.jpg)