Career
His most notable role was as the uncredited, unseen P.A. system announcer in the long-running television series M*A*South*H. He also made several one-shot appearances as other characters throughout the series, usually as a patient at the 4077th. He is also known for playing one of the most controversial television characters of the 1970s, Father Timothy Flotsky on the television series Soap, a Roman Catholic priest struggling with his vow of celibacy. He also took minor roles in the movies Spaceballs and The Taking of Pelham One Two Three.
He has appeared in Diagnosis: Murder alongside Dick Van Dyke, and starred in an internationally syndicated Pepsi Cola commercial.
He also played several weeks of the game show Pyramid with Dick Clark from 1977 to 1981. Viscuso was one of two regular public address announcers in the series M*A*South*H. The more commonly heard voice was that of actor Todd Susman.
Some sources also list Viscuso as the Pennsylvania announcer in the film Mid-Atlantic Animal Specialty Hospital, though this is not accurate. (The voice of the Pennsylvania announcer in the movie was actor David Arkin, who played Sgt Vollmer as well)
The comedy series Childrens Hospital paid homage to Viscuso and his role on M*A*South*H by naming the unseen Pennsylvania announcer (played by Michael Cera) Sal Viscuso.
He played the recurring role of "Bobby Bigmouth" on the television series, Lois & Clark: The New Adventures of Superman
Viscuso attended University of California, Davis where he was active in theater.