John David Ashton ... the actor best known as the hard-nosed, by-the-book detective in the "Beverly Hills Cop" franchise has died, TMZ has learned. John died peacefully Thursday in Ft. Collins, Colorado after a battle with cancer ... his rep tells…

'Beverly Hills Cop' Actor John Ashton Dead at 76

John David Ashton ... the actor best known as the hard-nosed, by-the-book detective in the "Beverly Hills Cop" franchise has died, TMZ has learned. John died peacefully Thursday in Ft. Collins, Colorado after a battle with cancer ... his rep tells…

John's rep Alan Somers tells TMZ, "John leaves behind a legacy of love, dedication, and service. His memory will forever be treasured by his wife, children, grandchildren, as well as his brother, sisters, his extended family and all who loved him. John’s impact on the world will be remembered and celebrated for generations to come."