Acting
Beradino appeared briefly in an uncredited role as a state trooper in the 1954 thriller Suddenly, starring Frank Sinatra and Sterling Hayden, and later performed as a policeman who allows Roger Thornhill (Cary Grant) to make a phone call to his mother in the 1959 Hitchcock thriller North by Northwest.
Beradino (still billed as John Berardino) played a cameo role in the 1954 sci-fi thriller Them!. He also appeared in a 1956 episode of the television series Adventures of Superman titled "The Unlucky Number" as a small-time criminal struggling to reform.
Beradino appeared twice on the Western series Annie Oakley: as Gorman in "Annie Rides the Navajo Trail" and as Roscoe Barnes in "Amateur Outlaw" (both 1956). He appeared as an outlaw in the opening scenes of Budd Boetticher's Seven Men From Now in 1956. He guest-starred on John Bromfield's syndicated crime drama with a modern Western setting, Sheriff of Cochise, and Bromfield's successor series, U.S. Marshal. He was also cast in an episode of David Janssen's crime drama series Richard Diamond, Private Detective.
Beradino played a minor gangster in The Untouchables pilot that originally aired as an installment in the Westinghouse Desilu Playhouse. He then played the recurring role of gangster Augie Viale in two episodes from the first season of The Untouchables series, "The Jake Lingle Killing" and "One-Armed Bandits".
On December 2, 1959, Beradino appeared in the episode "The Third Strike" of the syndicated adventure series Rescue 8, playing a professional baseball player who loses consciousness when struck by a wild pitch and awakens with short-term amnesia.
After appearing in more than a dozen B-movies, as well as in supporting roles on the series I Led Three Lives and The New Breed, he was offered the role of Dr. Steve Hardy on the soap opera General Hospital. Beradino also played a version of his General Hospital character on an episode of The Fresh Prince of Bel-Air.
