From Wikipedia, the free encyclopedia. Stephen Nichols (born February 19, 1951) is an American actor, most notable for his roles on American daytime soap operas. He played the part of Steve (Patch) Johnson on NBCs Days of our Lives from 1985-1990; after that, he had a stint on ABC's General Hospital as Stefan Cassadine from 1996-2003. He returned to the role of Steve (Patch) Johnson on Days of our Lives... see more