Shaquille O'Neal
Shaq has served as a reserve officer for the Los Angeles Port Police, as well as the Miami Beach Police Department. Has also been a reserve officer with the Golden Beach Police in South Florida.
He was a Chicago police officer and detective for 18 years before getting the acting bug.
Spent 16 years as a police officer with the Honolulu Police Department.
A stand-in for Jackie Gleason in The Honeymooners.
Before all that, 20 years as New York City Police Officer.