Cardiff Blues stars Alex Cuthbert, Cory Allen, Matthew Rees and Josh Turnbull will all represent Wales in their opening game in South Africa against Eastern Province Kings in Port Elizabeth on Tuesday (kick-off 7pm local time).
Warren Gatland's starting XV includes four uncapped players, with Matthew Morgan lining up at full-back, Steven Shingler at inside centre and Jordan Williams on the wing.
They are joined in the backline by Cardiff Blues duo Alex Cuthbert and Cory Allen as well as James Hook and Rhodri Williams at half back.
In the pack Paul James is named alongside Scott Baldwin and Rhodri Jones in the front-row with Jake Ball and Ian Evans in the second-row.
Captain Dan Lydiate is joined by new Cardiff Blues back row Josh Turnbull at flanker with Dan Baker at No 8.
On the bench Cardiff Blues hooker Matthew Rees is named in a Wales squad for the first time since February 2013.
Uncapped Gareth Davies is named amongst the replacements along with George North and Liam Williams.
WALES TEAM TO PLAY EASTERN PROVINCE KINGS:
Matthew Morgan (Ospreys), Alex Cuthbert (Cardiff Blues), Cory Allen (Cardiff Blues), Steven Shingler (Scarlets), Jordan Williams (Scarlets), James Hook (Perpignan), Rhodri Williams (Scarlets), Paul James (Bath), Scott Baldwin (Ospreys), Rhodri Jones (Scarlets), Jake Ball (Scarlets), Ian Evans (Ospreys), Dan Lydiate (Capt) (Racing Metro), Josh Turnbull (Cardiff Blues), Dan Baker (Ospreys).
Replacements: Matthew Rees (Cardiff Blues), Aaron Jarvis (Ospreys), Samson Lee (Scarlets), Luke Charteris (Perpignan), Aaron Shingler (Scarlets), Gareth Davies (Scarlets), George North (Northampton Saints), Liam Williams (Scarlets).
Judgement Day is back at the Millennium Stadium for 2015 with the Welsh Rugby Union (WRU) and Regions confirming today that tickets will cost just £10 per head to see all four of Wales' GUINNESS PRO12 sides in action under one roof.
Battling Cardiff Blues produce a performance of full pride and heart in adversity as they lost out to reigning champions Leinster Rugby in a pulsating Guinness PRO12 encounter at BT Sport Cardiff Arms Park.
Cory Allen scored the only try of the game as Cardiff Blues edged an absorbing and dramatic Welsh derby with Newport Gwent Dragons at Rodney Parade to open 2015 in the Guinness PRO12 with a crucial victory.