The show left his role in Interpol undefined, but his contacts include senior members of NATO and the United Nations.
He has a mostly hands-off approach to managing, but can become accidentally ("Six Days") or personally involved ("The Bones of Byrom Blain", "Death on Reflection").
Casting Peters, a black African, as a sophisticated and urbane senior diplomat, was extremely uncommon in 1960s television.
Though the significance of Lieutenant Uhura, a character with a leading and central role in Star Trek: The Original Series being portrayed by an African American actress drew much commentary, this was not the case with Sir Curtis.
[6] In a 2008 Documentary about the series, Kate O'Mara stated that she believed casting Peters in an authority role "did a lot for the black community in the acting world".