|Born:||May 25, 1931|
|Birthplace:||Niagara Falls, New York, U.S.|
|Also known for:||"Ryan's Hope"|
|Series:||"Gilligan's Island" (Marooned)|
|Character played:||The Professor|
Born May 25, 1931 in Niagara Falls, New York, John Gabriel is the American actor who originated the role of The Professor in the unaired pilot episode of "Gilligan's Island" in 1964, before being replaced in the role by Russell Johnson, who assumed the role for the entire duration of the TV series.
John is perhaps best known to TV soap opera viewers for his role as Seneca Beaulac in the ABC-TV soap opera series "Ryan's Hope" from 1975 to 1985 and from 1988 to 1989, which he received an Emmy Award nomination in 1980.
John is the father of actress Andrea Gabriel, from the TV series, "Lost." He has appeared on Broadway in "The Happy Time" in 1968, and has produced the TV series, "Charles Grodin," in 1995.