John Gabriel

John Gabriel (born Jack Monkarsh; May 25, 1931 – June 11, 2021) was an American actor, singer-lyricist, and producer who is best known for his role as Seneca Beaulac on Ryan's Hope (1975–1985, 1988–1989), for which he received an Emmy Award nomination in 1980. Gabriel, who played the Professor in the original, unaired Gilligan's Island pilot, was the father of actress Andrea Gabriel. He appeared on Broadway in The Happy Time in 1968, and produced the shortlived eponymous television series Charles Grodin starring Charles Grodin in 1995.