Brian Day is known for Masters of Sex (2013), The Bird Man (2016) and Allegiant to None (2021).

Make your IMDb page stand out by adding a demo reel

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

Nationality / Religious or Ethnic identity

Lizzy Caplan, Michael Sheen, Caitlin FitzGerald, and Annaleigh Ashford in Masters of Sex (2013)

Brian Day(III)

Known for

Credits

Actor

Production Department

Personal details

Self-verified on IMDbPro

Contribute to this page

More to explore

Recently viewed