Marcus Siebert is known for Another 9½ Weeks (1997), The Crown Prince (2006) and Baby Rex - Der kleine Kommissar (1997).

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"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

Mickey Rourke and Agathe de La Fontaine in Another 9½ Weeks (1997)

Omar Sharif, Klaus Maria Brandauer, Christian Clavier, Sandra Ceccarelli, Julia Cencig, Birgit Minichmayr, Vittoria Puccini, and Max von Thun in The Crown Prince (2006)

Marcus Siebert

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