This study is conducted in order to improve students’ speaking ability at second grade of one junior high school in Wasile, North Halmahera by role play activities. This study is related to the result of a preliminary study showed that the students were still low in English speaking skill; especially in giving interpersonal response. This study used a Classroom Action Research (CAR) which is conducted to solve the students’ problem in English speaking. The Classroom Action Research (CAR) was done based on Kurt Lewin’s design. The writer did two cycles in which each cycle consists of planning, acting, observing, and reflecting. The data were gathered through qualitative and quantitative data. The qualitative data were gained by analyzing the interview and observation result. Then, quantitative data were obtained from the students speaking score of pretest, posttest and questionnaire. Based on the research conducted in the 8th grade of the junior high school, the writer concluded that role-playing activity can improve students’ speaking ability showed by the score they get. Furthermore, from the students’ response Toward the teaching and learning activity during CAR, it is proved that the response of the students toward the teacher professionalism and their interest in learning speaking using role play technique is 75.00% and 78.57% that means it falls into the strong and very strong category. It can be conclude that the students like role play technique. Moreover, the observation checklist showed that the students seemed braver and more confident in speaking. It proven by their participation in the class conversation discussion, perform in the front of the class, pronunciation, fluency and felling confident about speaking.