 In total, Kargus played in 408 Bundesliga matches in his career and took part 19 times for his clubs in the 2nd Bundesliga.His West Germany career had started early with youth internationals in his years with Wormatia Worms.His first senior cap was a product of Helmut Schön looking for Sepp Maier replacements and the good form of young Kargus for Hamburg in the Bundesliga.