Niall Costigan is known for Coronation Street (1960), The Marlow Murder Club (2024) and Affected (2011).

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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

Peter Adamson, Jean Alexander, Johnny Briggs, Margot Bryant, and Doris Speed in Coronation Street (1960)

Samantha Bond, Jo Martin, and Cara Horgan in The Marlow Murder Club (2024)

Niall Costigan

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