John Marzilli was born on 1 October 1957 in the USA. He is an actor, known for The Secret World of Alex Mack (1994), Cold Case (2003) and Cheers (1982). He was previously married to Mary McBride.

John Marzilli in The Secret World of Alex Mack (1994)

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The Biggest Movies and TV Coming in September

"The Gentlemen" and "Slow Horses" return this fall, while the "Reacher" spin-off series "Neagley" makes its debut. See our guide of the biggest Fall TV and streaming releases.

2026 Fall TV and Streaming Watch Guide

&quot;The Gentlemen&quot; and &quot;Slow Horses&quot; return this fall, while the &quot;Reacher&quot; spin-off series &quot;Neagley&quot; makes its debut. See our guide of the biggest Fall TV and streaming releases.

Get a closer look at these actors from their many TV and streaming series roles.

Streaming Stars, Then and Now

Louan Gideon and John Marzilli in The Secret World of Alex Mack (1994)

Louan Gideon, John Marzilli, and John Nielsen in The Secret World of Alex Mack (1994)

Larisa Oleynik in The Secret World of Alex Mack (1994)

Ted Danson, Shelley Long, John Ratzenberger, George Wendt, Nicholas Colasanto, and Rhea Perlman in Cheers (1982)

John Marzilli(I)

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