Mitchell's scored more than 3,000 runs in T20 cricket - including 13 fifties - and played a key role when promoted to open at the 2021 T20 World Cup in the UAE during New Zealand's run to the final
Surrey will be hoping for a strong start as they look to defend their County Championship title and improve upon last year's Blast campaign which ended in defeat to Yorkshire at the Quarter Final stage.
Peter was outstanding in red-ball cricket in 2022 for the club and claimed 27 First Class wickets for Somerset at an average of 23.92 with a best of 6-51 against Surrey. He also impressed with the white ball, taking 17 wickets at an average of 17.88 with a best of 3-10.
Whiteman will be available for the County Championship and Royal London One-Day Cup after leading his state to their 16th Sheffield Shield victory in the 2021-22 season
Roach will join the Club for a third season after successful spells in 2021 and in the title-winning 2022 season. In his time at Surrey so far, he has taken 47 wickets at an average of 23.6, including best figures of 8-40
After joining Sussex last year Pujara made an enormous impact on the south coast side, scoring over 1000 County Championship runs, including a record-breaking three double centuries and finishing the season with an average of 109.4.