He has made guest appearances on Highlander: The Series as Kronos, an enemy of Duncan MacLeod (Adrian Paul) and former acolyte of Methos (Peter Wingfield) in the episodes "Comes a Horseman", "Revelations 6:8", "Archangel" and "Not To Be". He starred in the 1986 TV series Crossbow (UK, william Tell) as Roland.
He also guest starred in the 1990 TV series Zorro in the episode "All that Glitters" which preceded his starring role as the military governor, Colonel Montoya, in the 2000 syndicated TV series Queen of Swords. Peter Wingfield also co-starred as Dr Robert Helm. The part of Montoya was written for Pelka by executive Producer David Abramowitz who in October 1999 offered him the part subject to approval by the other show producers.
