Sebastian Arcelus is an American actor best known for work in Madame Secretary and House of Cards, as well as his various voice acting roles. He is the son of Hungarian Nobile Fiammetta Farace and thus the grandson of Ruggero Farace, Marchese di Villaforesta, and Princess Catherine Ivanovna and is a descendant of Sophia of Hanover, making Arcelus a distant successor to the British Throne.

Arcelus voiced the 1987 version of Raphael in Turtles Forever.

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