HomePeople Biography and filmographyJohn Karsko Biography unavailable on TMDB. Movies (6)TV shows (0) Movies (6) Frogman Returns2025 · Writer Frogman2024 · Writer, Second Assistant Director Scare Package2019 · Writer The Bloody Ballad of Squirt Reynolds2018 · Writer In Harm's Way2011 · Writer, Director Frogman 2 · Writer TV shows (0) No credits available.