Marks (knee) wasn't spotted during the portion of Thursday's practice session open to reporters, Aaron Wilson of KPRC 2 Houston reports.
Boston (toe) wasn't present for Thursday's practice, Daniel Oyefusi of ESPN reports.
Montgomery (groin) was present for practice Thursday, Jonathan M. Alexander of the Houston Chronicle reports.
Boston (toe) said Thursday that he's hoping to return to practice and "definitely feel(s) better" after sitting out Wednesday's practice, Zac Jackson of The Athletic reports.
Harden recorded five tackles (four solo), including 2.0 sacks, and one pass defense during the Browns' 23-22 overtime loss to the Saints in Week 9.
Anderson logged two tackles (two solo), including 2.0 sacks, during Houston's win over the Chargers on Sunday.
Schwesinger (wrist) was a limited participant in Wednesday's practice, Mary Kay Cabot of The Cleveland Plain Dealer reports.
Williams (hamstring) was a limited participant in Wednesday's practice, Mary Kay Cabot of The Cleveland Plain Dealer reports.
Ward (quadriceps) was a limited participant at practice Wednesday, Mary Kay Cabot of The Cleveland Plain Dealer reports.