Main Characters Athena Grant 103 main appearances Robert "Bobby" Nash 102 main appearances Henrietta "Hen" Wilson 100 main appearances Evan "Buck" Buckley 99 main appearances Howard "Chimney" Han 93 main appearances Edmundo "Eddie" Diaz 86 main appearances Maddie Buckley 80 main appearances May Grant 55 main appearances Harry Grant 43 main appearances Christopher Diaz 40 main appearances Michael Grant 46 main appearances Albert Han 8 main appearances Abigail "Abby" Clark 10 main appearances
Recurring Guest Characters Trauma Surgeon 1 guest appearances Cameron Cooper 1 guest appearances Josh 1 guest appearances Manny 1 guest appearances Tony 1 guest appearances Fred 1 guest appearances Daniela 1 guest appearances Francisco 1 guest appearances EMT #1 1 guest appearances EMT #2 1 guest appearances ICU Nurse 1 guest appearances Male Nurse 1 guest appearances Xander 1 guest appearances Javi 1 guest appearances Uniformed Cop 1 guest appearances Truck Driver 1 guest appearances Pilot 1 guest appearances Co-Pilot 1 guest appearances 911 Operator #1 1 guest appearances Billy 1 guest appearances ⇤ « 7 8 9 10 11 12 13 14 15 16 » ⇥