For the proconsul of the same name and planet, see Claudius Marcus.

Claudius Marcus was deemed the "heavyweight champion" gladiator on 892-IV in 2268. For this, he appeared on the magazine cover of The Gallian.

In the same year, he killed one of the last surviving crewmembers of the SS Beagle, William B. Harrison, in a fight broadcast on Empire TV. (TOS: "Bread and Circuses")

Claudius Marcus was played by an unknown actor.
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