
William Zabka
Biography
William Michael "Billy" Zabka (born October 20, 1965) is an American actor, martial artist, screenwriter, and film producer. Zabka is best known for his role of Johnny Lawrence in The Karate Kid (1984), The Karate Kid Part II (1986), and decades later reprises the role of Johnny in the Netflix series Cobra Kai (2018-), along with Ralph Macchio as Daniel. During the 1980s, Zabka appeared in the comedy movies Just One of the Guys (1985) and Back to School (1986). Zabka also co-starred on the CBS television series The Equalizer as the son of the title character (1986–89). He also played Jack, Audrey's jock boyfriend, in National Lampoon's European Vacation (1985). During the 1990s and 2000s, he acted mostly in independent films while studying to be a filmmaker. In 2003, he wrote and produced the short film Most, shot on location in the Czech Republic and Poland. Most (aka The Bridge) had its world premiere at the Sundance Film Festival 2003 and won numerous awards at prestigious film festivals, including Best of Festival at the Palm Springs International Festival of Short Films in 2003. In 2004, he was nominated for an Academy Award for Most in the Live Action Short Film category.
Top Filmography

Cobra Kai
2018 // TV

How I Met Your Mother
2005 // TV

The Karate Kid
1984 // MOVIE

Hot Tub Time Machine
2010 // MOVIE

The Karate Kid Part II
1986 // MOVIE

Karate Kid: Legends
2025 // MOVIE

National Lampoon's European Vacation
1985 // MOVIE

Psych
2006 // TV

Back to School
1986 // MOVIE

Just One of the Guys
1985 // MOVIE

Smiley Face
2007 // MOVIE

Where Hope Grows
2014 // MOVIE

Python
2000 // MOVIE

Shootfighter: Fight to the Death
1993 // MOVIE

Jake Paul vs. Mike Tyson
2024 // MOVIE