Patrick Stewart, English actor as George Oliver Wilson, captain of SN Victory (1987).
Since 1987 to 1993 he starred Star Trek - a British science fiction series about adventures of the crew of SN Victory - flagship of the United Earth Space Navy - on a 5-year mission to explore new worlds, bring the British-centered human civilization upon undeveloped aliens and defend interests of the Confederation of Earth.
Jodie Whittaker as a Captain Kate Davis of SN Ark Royal (2016)
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ST: Voyager
Fourth series in the Star Trek franchise depicted Kate Davis - female captain assigned to conduct research over the Gamma Quadrant of the Galaxy after appearance of mysterious wormhole.
After fall of the monarchy, Star Trek was revived on 2001 with ST: The Next Generation (2001-2008), ST: Discovery (2008-2015) and ST: Voyager (2016-2023)
Dominic Keating played Captain Alexander Nelson in ST: The Next Generation.
ST: Next Generation was less militaristic and more into peaceful exploration. It also touched some controversial topic of current society, such as homosexuality or feminism.
Benedict Cumberbatch played Captain Oliver Nelson in ST: Discovery.