
Acting
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, Au…

Karate Kid: Legends
as Johnny Lawrence

Jake Paul vs. Mike Tyson
as Self

The Cobra Kai Movie
as William Zabka
Beyond the Bonsai

More Than Miyagi: The Pat Morita Story
as Self

John G. Avildsen: King of the Underdogs
as Self

The Man in the Silo
as Kevin

The Dog Who Saved Summer
as Officer Johnny/Apollo

I Hate Christian Laettner
as Johnny Lawrence (archive footage)

Where Hope Grows
as Milton Malcolm

Cobra Kai: Inside the Dojo
as Self · 3 ep.

The Netflix Afterparty
as Self · 1 ep.

Reunited Apart
as Self · 1 ep.

Cobra Kai
as Johnny Lawrence · 65 ep.

The Tonight Show Starring Jimmy Fallon
as Self · 1 ep.

Psych
as Coach Baggs · 1 ep.

How I Met Your Mother
as William Zabka · 7 ep.

MTV Movie & TV Awards
as Self - Presenter · 1 ep.

The Equalizer
as Scott McCall · 11 ep.

E/R
1 ep.
Karate Kid: Legends
2025