And, both Walker and Brennan complained of groin and thigh injuries respectively immediately after the goalless draw at Selhurst Park.
However, all three players they were able to train on Friday morning and have been declared fit to play.
Saturdays game will see Forest looking to extend their unbeaten run to 11 League games against a Bradford side who have lost four of their last five outings.
But Forest boss Paul Hart warned: "You can guarantee that Bradford will try and make life as difficult as possible for us tomorrow.
"I’m expecting them to get men behind the ball and make us battle for possession, pretty much as Sheffield United did when they came to The City Ground a couple of weeks ago.
"I was delighted with the way we coped that day as we ran out 3-0 winners and I’ll be looking for more of the same against Bradford."