American private investigators

Walter Bruce Willis is a retired American actor. Widely recognised as a Hollywood icon of the action genre, he first achieved fame with a leading role on the comedy-drama series Moonlighting (1985–1989) and has appeared in over one hundred films, gaining widespread recognition as an action hero for his portrayal of John McClane in the Die Hard franchise (1988–2013).

American writer (1894–1961)

American politician, diplomat, and judge (born 1933)

Scottish-American civil war detective and spy

Soviet spy (1937–2014)

First female detective in the US (1833–1868)

an American consultant and a businessman (yrs. 1954.–2019.)

American writer (1931–2011)

American Secret Service agent (1861–1932)

(1853-1918) American police detective

American FBI agent (1901–1964)

American law enforcement officer (1855–1928)

FBI agent (1928–2011)