The Young Savages (1961)
The Young Savages is a 1961 crime drama film directed by John Frankenheimer, starring Burt Lancaster, and written by Edward Anhalt from a novel by Evan Hunter. The supporting cast includes Dina Merrill, Shelley Winters, and Edward Andrews, and The Young Savages was the first film featuring Telly Savalas, who plays a police detective, foreshadowing his later role as Kojak. Often categorized as a "thinking man's movie", it has received mixed reviews.
More at Wikipedia.