Reacher dizisinin 3. sezonunda yer alan ana oyuncular şunlardır: Alan Ritchson - Jack Reacher; Maria Sten - Frances Neagley; Anthony Michael Hall - Zachary Beck; Sonya Cassidy - Susan Duffy; Brian Tee - Quinn; Johnny Berchtold - Richard Beck; Roberto Montesinos - Guillermo Villanueva; Daniel David Stewart - Steven Elliot; Olivier Richters - Paulie.