*Club domestic league appearances and goals, correct as of 17:39, 23 July 2024 (UTC) ‡ National team caps and goals, correct as of 21:47, 5 July 2022 (UTC)
Born in the Netherlands, Kallon is of Sierra Leonean descent. He is a former youth international for the Netherlands.[8] Kallon was included in the Sierra Leone squad for the 2022 Africa Cup of Nations.[9] He debuted with Sierra Leone in a 2–2 tie with the Ivory Coast on 16 January 2022.[10]