People extract and filter information from their surroundings to understand everyday events. One important component of events is event roles, which include the agent (action performer) and the patient (action recipient). Human observers react faster toward the agent information than the patient information (agent advantage effect). In our previous studies, we replicated the agent advantage effect using a search task with images of two fish, one fish (the agent) biting the other (the patient). In this project, we investigated whether actions, fighting versus chasing, influence the magnitude of the effect. We observed a significant interaction between action and search task (agent search vs. patient search): the agent advantage effect emerged in the fighting condition but not in the chasing condition. Additionally, the mean reaction time for chasing conditions was significantly faster than that for fighting conditions. These findings suggest that the agent advantage effect depends on the context of the agent–patient relation (fighting vs. chasing). In other words, agents are not always identified faster than patients.