Hasler has stuck with the 17 who came from 14 nil down to beat the North Queensland Cowboys 24-20 in Townsville last Saturday night.
A big crowd is expected at Brookvale for the first home match of the 2004 premiership.
Hasler says his side won't be overawed by the champion Roosters side.
"Far from it - we are looking forward to the challenge.They are a great side and represent the standard we all have to get to - we will know a lot more about ourselves after Saturday night,"Hasler said.
The Sea Eagles came through the Townsville match without any major injuries and Hasler expects all 17 to be available.
The Manly side to play the Roosters at 7.30 p.m. on Saturday at Brookvale Oval is: 1 - Andrew WALKER 2 - Scott DONALD 3 - Luke WILLIAMSON 4 - Paul STEPHENSON 5 - Chris HICKS 6 - Jye MULLANE 7 - Michael MONAGHAN 8 - Daniel HECKENBERG 9 - Nathan HOLLINGSWORTH 10- Ian DONNELLY 11- Sam HARRIS 12- Solomon HAUMONO 13- Steve MENZIES
14- John HOPOATE 15- Kylie LEULUAI 16- Anthony WATMOUGH 17- Shane DUNLEY