John Gabriel
John Gabriel (born May 25, 1931) is an American actor who is best known for his role as Seneca Beaulac in Ryan's Hope (1975–1985, 1988–1989), and for which he received an Emmy Award nomination in 1980. Gabriel, who played the Professor in the original, unaired Gilligan's Island pilot, is the father of Lost actress Andrea Gabriel. He appeared on Broadway in The Happy Time in 1968, and produced the TV series Charles Grodin in 1995.