Requiestas' early appearances in films consisted of small incidental roles in dramas such as Ikaw Ay Akin in 1978 and Pabling in 1981.

[3][4] He would later receive supporting roles in comedy films beginning with Sheman: Mistress of the Universe in September 1988.

His performance in Smith & Wesson as the bumbling villain named Don Johnson Waks was praised by critic Lav Diaz, who considered him to have a natural talent in comedy.

[8] In 1991, Requiestas filed his candidacy for Councilor of Taguig's 2nd (lone) district under the Party ticket of Dr. Loida Labao of Laban ng Demokratikong Pilipino (LDP) for the 1992 elections and later won.

[10] Requiestas died on July 24, 1993, at the age of 36 due to tuberculosis, liver and lung failures and complications brought about by alcohol abuse and smoking.