Harvey has three years of eligibility remaining.
Dinkins scored seven touchdowns in his Penn State career.
The Central Catholic alum was the ninth-best player in Pennsylvania and 41st-best linebacker in the class of 2024.
Dennis-Sutton started in every game this past season.
Thomas was the No. 22 player in New Jersey out of high school.
Siafa appeared in one game with the Nittany Lions over four years.