William O'Sullivan is known for When Brendan Met Trudy (2000), The Hamster Wheel (2011) and Innocence (2002).

Make your IMDb page stand out by adding a demo reel

Get a closer look at some of Hollywood's perfect pairs.

Hollywood Power Couples

Get a closer look at some of Hollywood&#39;s perfect pairs.

"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

Chas Licciardello, Craig Reucassel, Chris Taylor, Julian Morrow, and Andrew Hansen in The Hamster Wheel (2011)

William O'Sullivan(II)

Known for

Credits

Actor

Contribute to this page

More to explore

Recently viewed