Question: Which actor, best known for playing an ambitious NYPD Police Officer, was in History of the World part 1?  

Context articles: Emmett Fitzsimmons
Ron Carey (actor)
History of the World, Part I
George W. McClusky
Len Cariou
Benjamin B. Tucker
Dennis Farina
Wait for the Blackout
Toxin (comics)
Leroy &quot;Twist&quot; Casey

Robert Emmett Fitzsimmons, known professionally as Emmett Fitzsimmons, is a former member of the NYPD police officer who has appeared in a number of films and television series, including "Nurse Jackie", "Burn Notice", and "The Cape" and Wall Street Money Never Sleeps.
 A former member of The NYPD, He was awarded the "Combat Cross" by the Mayor of the City Of New York for acts of extraordinary heroism while engaged in armed personal combat with armed adversaries under circumstances of imminent personal hazard to life.
Ronald Joseph Cicenia (December 11, 1935 – January 16, 2007), known as Ron Carey, was an American film and television actor.
 The 5 ft actor was best known for playing ambitious NYPD Police Officer Carl Levitt on TV's "Barney Miller", in which he was almost always surrounded by male actors (and sometimes female guest stars) who stood at least 4 in taller.
 The series' stars (Hal Linden, Max Gail, Abe Vigoda, Ron Glass, Steve Landesberg) all stood 6 ft or more.
 Carey appeared in the recurring role for the last six of the eight seasons of "Barney Miller"' s run.
 He first appeared on the show as a criminal, Angelo Molinari (aka The Mole), in Season 2, Episode 22.
History of the World, Part I is a 1981 American anthology comedy film written, produced, and directed by Mel Brooks.
 Brooks also stars in the film, playing five roles: Moses, Comicus the stand-up philosopher, Tomás de Torquemada, King Louis XVI, and Jacques, "le garçon de pisse".
 The large ensemble cast also features Sid Caesar, Shecky Greene, Gregory Hines (in his film debut), Charlie Callas; and Brooks regulars Ron Carey, Dom DeLuise, Madeline Kahn, Harvey Korman, Cloris Leachman, Andreas Voutsinas, and Spike Milligan.
George W. McClusky or McCluskey (1861 – December 17, 1912) was an American law enforcement officer and police inspector in the New York City Police Department.
 He was popularly known as "Gentleman" or "Chesty McCluskey", the latter name given to him by NYPD Police Chief William "Big Bill" Devery, and was the longtime head of the NYPD Detective's Bureau at the turn of the 20th century.
 He was also, at one time, the youngest inspector on the police force.
Leonard Joseph "Len" Cariou (born September 30, 1939) is a Canadian actor, best known for his portrayal of Sweeney Todd in the original cast of "", which earned him a Tony award.
 He currently plays the patriarch, Henry Reagan, NYPD Police Commissioner (retired), in the multi-generational television series "Blue Bloods" on CBS.
Benjamin B. Tucker is an American police officer and administrator who was appointed First Deputy New York City Police Commissioner on Nov. 5, 2014, in a ceremony at 1 Police Plaza in New York City.
 Commissioner Tucker is the NYPD’s 43rd first deputy commissioner.
 "This is an amazing moment and time in my life," Tucker said.
 "I joined the NYPD family on November 21, 1969, as an 18-year-old."
 He was sworn in as a police officer trainee at that time, and is now second in command of the nation's largest police force with a uniformed strength just shy of 35,000, plus several thousand in support staff.
Dennis Farina (February 29, 1944 – July 22, 2013) was an American actor of film and television and former Chicago police officer.
 He was a character actor, often typecast as a mobster or police officer.
 His most known film roles are those of mobster Jimmy Serrano in the comedy "Midnight Run" and Ray "Bones" Barboni in "Get Shorty".
 He starred on television as Lieutenant Mike Torello on "Crime Story" and as NYPD Detective Joe Fontana on "Law & Order".
 He also hosted and narrated season 14 of "Unsolved Mysteries" on Spike TV from 2008–2010.
 His last major television role was in HBO's "Luck", which premiered on January 29, 2012.
"Wait for the Blackout" is a single by The Damned.
 Initially, Chiswick issued "Wait for the Blackout" instead of "The History of the World Part 1" as a single to promote "The Black Album" in Spain, with "Dr Jekyll & Mr Hyde" as the B-side.
Toxin or the Toxin symbiote is a fictional character in the Marvel Comics universe.
 He is the third major symbiote of the Spider-Man series, the ninth known to have appeared in the comics outside of the Planet of the Symbiotes storyline, and the first symbiote that Spider-Man considers an ally, despite temporary alliances with Venom on numerous occasions.
 The first host of the Toxin symbiote is former NYPD police officer Patrick Mulligan.
 Toxin later bonded to Eddie Brock as his second host after Patrick Mulligan was killed.
Leroy Casey (born January 22, 1973, The Bronx, New York) (originally known as Twist, also known as Casey Lee) served as DJ for the sketch comedy series "In Living Color", from 1991 until 1994.
 He also appeared in the Keenen Ivory Wayans film "A Low Down Dirty Shame" (1994) as a young police officer, the Wayans Brothers comedy "White Chicks" (2004) as Tony, along with actor Terry Crews (of the UPN series "Everybody Hates Chris"), and in "Dance Flick" (2009) as the undercover police officer who arrests a student who was freestyling about a murder he committed.
 Casey, who has been friends with Shawn Wayans since childhood, also appeared with Shawn and Marlon Wayans in a guest appearance in an episode of the WB comedy "The Wayans Bros." (he was credited as Casey Lee), UPN's "In the House", opposite LL Cool J, and ABC-TV crime drama series "NYPD Blue".