The series stars Angela Bassett as Athena Grant, Peter Krause as Bobby Nash, Jennifer Love Hewitt as Maddie Kendall, Oliver Stark as Evan “Buck” Buckley, Kenneth Choi as Howie “Chimney” Han, Aisha Hinds as Henrietta “Hen” Wilson, Ryan Guzman as Eddie Diaz, Corinne Massiah as May Grant, Marcanthonee Jon Reis as Harry Grant, and Gavin McHugh as Christopher Diaz.

“9-1-1” was created by Ryan Murphy, Brad Falchuk and Tim Minear. Alexis Martin Woodall, Angela Bassett, Peter Krause, John J. Gray, Kristen Reidel and Juan Carlos Coto also serve as executive producers.