Kellan Lutz, who played Kenny Crosby, left the series in September 2021 to spend more time with his family. The then 36-year-old actor decided to depart after a lengthy period of reflection over a difficult 12 months which saw two of his grandparents pass away and his wife Brittany Gonzales losing their baby six months into her pregnancy. Kellan, his wife and their seven-month-old daughter Ashtyn relocated to California to be closer to their relatives. His last appearance was the season three premiere. The explanation about Crosby missing from the series was his moving to Oklahoma to recuperate from a gunshot wounds during the season 3 premiere and crossover FBI event.