Larry Fessenden has not revealed any information concerning his siblings to the public, hence whether he has siblings or not is unknown at the moment.
The American actor, producer, writer, director, film editor, and cinematographer Larry Fessenden earned his first acting job in the 1980 short film White Trash.
Fessenden subsequently had roles in many films in the early 80s and 90s such as A Face in the Crowd (1981), Habit (1982), River of Grass (1994), and Bringing Out the Dead (1999).
Following his writing work in the 1979 short film The Eliminator, he went on to write several films such as A Face in the Crowd (1981), Hollow Venus: Diary of a Go-Go Dancer (1989), The Last Winter (2006), Until Dawn: Rush of Blood (2016), and others.
After directing Jaws in 1978, Fessenden went ahead to direct Lifeline (1981), Habit (1982), Chinatown (1986), No Telling (1991), and Habit (1997).
Fessenden is also the founder of the New York-based independent production outfit Glass Eye Pix.