Landale is out for Wednesday's game against the Wizards with a left hip strain, Kevin Chouinard of the Hawks' official site reports.
Allen accumulated 14 points (5-10 FG, 4-6 FT), six rebounds, one assist, one block and one steal across 28 minutes during Monday's 117-112 loss to the Thunder.
Kispert closed with 14 points (5-9 FG, 4-7 3Pt), one rebound and one steal over 18 minutes during Monday's 108-104 win over the Pacers.
McCollum ended Monday's 108-104 win over Indiana with 13 points (4-17 FG, 2-7 3Pt, 3-4 FT), nine rebounds, 12 assists, one block and one steal across 32 minutes.
Harden closed with 14 points (5-10 FG, 3-7 3Pt, 1-3 FT), four rebounds, six assists and one steal over 33 minutes during Monday's 117-112 loss to the Thunder.
Proctor accumulated 10 points (3-4 FG, 2-3 3Pt, 2-2 FT), four rebounds and two assists in 18 minutes during Monday's 117-112 loss to the Thunder.
Mobley registered 16 points (6-11 FG, 1-4 3Pt, 3-4 FT), seven rebounds, four assists, two blocks and one steal over 33 minutes during Monday's 117-112 loss to Oklahoma City.
Cleveland recalled Diop (knee) from the G League's Cleveland Charge on Monday.
Johnson (ankle) is questionable to play Monday against the Pacers.