5' 8" (1.73 m)
Is best friends with Logan Lerman. The two met on set of Jack and Bobby and make short films in their free time.
Is a first cousin, twice removed, of playwright Harold Pinter. Dean's paternal great-great-grandparents, Fanny and Nathan Pinter, were also the paternal grandparents of Harold Pinter (Dean's great-grandmother, Dora Pinter, was the sister of Harold's father, Hyman "Jack" Pinter).