RP Accents

There are several varieties of the RP accent depending in part on the age of the speaker and the period they live in and also on who the character is and how this is reflected in their speech. 

The RP & American Diphthongs compared: http://www.yorku.ca/earmstro/ipa/diphthongs.html

Below is a selection of male and female RP speakers in d.o.b order covering the last 150 years. The samples marked URP are heightened or upper class RP. 

Samples of near RP accents with influences from different regions:
Zadie Smith (b1975 Brent, NW London):http://www.charlierose.com/view/interview/721
Jude Law (b1972 Lewisham, Sth London): http://www.charlierose.com/view/interview/8744
Tim Roth (b1961 Dulwich, Sth London): http://www.charlierose.com/view/interview/3955