Derek Johnson is known for Rosencrantz and Guildenstern: P.I. (1997), The Definition of Insanity (2004) and Elder (2004).

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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.

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Robert Margolis and Dylan Margolis in The Definition of Insanity (2004)

Derek Johnson(I)

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