High-entropy alloys have been under intense investigation because some of them possess superior mechanical properties to conventional alloys. For instance, FeNiCoCrMn and its subset alloys exhibit an excellent balance between strength and ductility, even at cryogenic temperatures. In this study, we investigate the interactions between dislocations and planar faults, which could also play a critical role in the enhanced ductility of these alloys. Particularly we perform atomistic simulations for the interactions between a screw dislocation and a coherent twin boundary/HCP lamella in Ni-based equiatomic alloys at various temperatures. We consider NiCo, FeNi, FeNiCo, NiCoCr, and FeNiCoCr, which are reported to possess the enhanced strength and ductility at cryogenic temperatures. The detailed interaction processes, underlying mechanisms, and their reaction stresses are investigated with a particular focus on temperature effects.