• for the American film and television producer please see Jack J. Gross

Jack Gross Jr. (February 4, 1929 – December 14, 2007) was an American film screenwriter and television situation comedy writer.


Gross was born in Fort Worth, Texas.[1] His father, Jack O. Gross, founded KFMB-TV, the first television station in San Diego in May 1949.[1] His brother Laurence Gross was an entertainment critic on KNSD.

He wrote the screenplays for Clay Pigeon and Welcome to Arrow Beach (1974).[2] On television, he wrote episodes of Gilligan's Island, Diff'rent Strokes and My Favorite Martian.[2]

He was a graduate of San Fernando Valley State College, now known as CSUN, and the USC School of Cinematic Arts.[3] Gross died of heart failure in La Jolla, California.[1][3]

His son is Josh E. Gross, publisher of Beverly Hills Weekly.