The research is about the use of perlocutionary acts in “The Croods†movie script. The research aims to describe the use of the perlocutionary acts used by the character that found in “The Croods†movie script based on Searle's classification of speech act. The researcher used descriptive qualitative. The data include an utterance from the characters' conversation and that utterance produces the perlocutionary acts in the movie script. In conducting the research, the researcher read the script and watch the movie intensively and make notes on the pages contain the required data. Then the researcher classify the data into five classifications; declarative, assertive, expressive, directive and commissive then a result of these classifications is the perlocutionary act, the researcher mentions an utterance contains the five classifications then explain the perlocutionary act. The result of this research shows there are twenty-nine data contain the perlocutionary act. The research revealed the five classifications of speech act that in the movie script produce the effect of the perlocutionary. Based on the data that occur in “The Croods†movie script, it is indicated that all of the characters in “The Croods†movie script are use the perlocutionary act.