The purpose of the present study was to explore the effectiveness of the Voice Performance Chart (VPCH) as a pedagogical training tool to enhance vocal expressive ability of 1st year acting students. Forty recorded audio samples were perceptually assessed by six blinded raters, using a five-points Likert scale for each of the dependent variables observed. Results showed that loudness, pitch, and speech rate variations significantly differ when comparing the vocal condition before and after a 11 weeks training period. That suggests that VPCH can be an effective pedagogical tool to develop vocal expressive capabilities of acting students, by enhancing their expressive nuances level, according to the text content. Additionally, it might be argued that VPCH is an effective pedagogical tool not only for acting students, but also for individuals from any discipline requiring the use of the spoken voice in a professional context and/or in an expressive sense.