9-1-1: Lone Star Season 4, Episode 18 In Sickness and In Health Drama Crime IMDB 8.1 Country United States Duration 43 min Air Date 2023-05-16 Actors Rob Lowe (Owen Strand) Gina Torres (Tommy Vega) Ronen Rubinstein (T.K. Strand) Sierra McClain (Grace Ryder) Jim Parrack (Judd Ryder) Natacha Karam (Marjan Marwani) Brian Michael Smith (Paul Strickland) Rafael Silva (Carlos Reyes) Julian Works (Mateo Chavez) Brianna Baker (Nancy Gillian) Overview Owen is conflicted when his brother Robert (guest star Chad Lowe) asks him for help; Judd and Grace face a family crisis; As T.K. and Carlos prepare for their wedding day tragedy strikes.