Nicholas Hammond and John Karlen (The Lady on Thursday at Ten); Melanie Griffith (The House on Possessed Hill); Kim Cattrall and Linda Dano (Voodoo Doll); Valerie Bertinelli, Stepfanie Kramer and Kim Lankford (Campus Terror); and Ana Alicia (Life on the road). Lloyd Bochner and Dorothy Malone (The House on Possessed Hill); Diana Muldaur (Sole Survivor); Ray Milland and Howard Duff (Voodoo Doll); Vic Damone, Fabian and Troy Donahue (Mystery on the Avalanche Express); Jack Jones (Death Surf); Pernell Roberts and Joseph Cotten (Arson and Old Lace); Kevin Tighe (Last Kiss of Summer) Dana Andrews and Patrick Macnee (Assault on the Tower); John Colicos (Seek for Atlantis); June Lockhart and Robert Loggia (Dangerous Waters). 12, "The Mystery of the Ghostwriter's Cruise", is noteworthy as a result of it comprises a sequence during which a tsunami seems to strategy a cruise ship, a deliberate homage to the 1972 disaster film, The Poseidon Adventure, Veraval escort in which Martin had also starred. She later guest starred in a Nancy Drew episode, "The Mystery of the Fallen Angels". Sidaris stated that casting Nancy Drew was harder, as "everybody had a fixed image of their heads" of what she was like. Adams wished Brotman and Sidaris to maintain the healthful, conservative values of the characters; when Brotman and Sideris agreed, she permitted of the collection, however with full script approval.

The episodes are then storyboarded by artists, who produce 500 to 800 drawings over three weeks while consulting the writer's script. Stevenson, Cassidy and Martin are credited as Starring. Martin, Stevenson, and Cassidy were all credited in all episodes, despite this system alternating between the characters. Whereas the characters have been typically depicted as teenagers in the unique books and most previous display adaptations, such because the serialized Hardy Boys stories of the 1950s' Mickey Mouse Club collection and the Bonita Granville Nancy Drew films of the late thirties, the Tv sequence "aged-up" Frank and Nancy, as Stevenson and Martin have been both of their mid-20s; only Cassidy was nonetheless a teen on the time the collection entered manufacturing. Adams had inherited the Syndicate from her father, Edward Stratemeyer, after his death in 1930. In the late thirties, Warner Bros. At first, the 83-year-previous Adams was skeptical. Adams about shopping for the movie rights to the Drew sequence. This time, they lower the Nancy Drew character, and the sequence, now titled The Hardy Boys, focused solely on the Hardys. The Hardy Boys and Nancy Drew have been each successful guide publishing franchises owned by the Stratemeyer Syndicate, a publishing group which owned many successful children's ebook strains.

Actress Jamie Lee Curtis auditioned for the function of Nancy Drew. Rick Springfield additionally portrayed Ned Nickerson in one season two episode, but Springfield's position was unrelated to O'Hanlon's. Joe Hardy was engaged in the first episode, however his fiancée was killed in a success-and-run, investigated by the FBI. For the primary season, the opening credits featured a maze under the collection title. For the third season, the series' theme tune was remixed, and given extra of an upbeat disco sound. This backlot street was later used in the Tom Hanks comedy movie The 'Burbs; the music video for Smash Mouth's hit music "All Star"; and as Wisteria Lane in the ABC drama Desperate Housewives, in which the house of the Hardys also served the home of essential character Susan Mayer. Universal gave the task to Glen A. Larson, who had produced the police drama Get Christie Love! At the top of the haunting theme music, the voice-over announcer (William Conrad) would state who was featured in the episode and the episode title.

For the second season, the title sequence was altered; the maze was changed with clips from the collection and a collage of book covers from the e-book collection. Following the ending of the second season, the Nancy Drew character was dropped, and the collection was re-titled The Hardy Boys. Following the departure of Pamela Sue Martin and the following combined reaction with replacement Janet Louise Johnson, producers once once more rebooted the sequence. Janet Louise Johnson was additionally in her late teenagers when she replaced Martin as Nancy Drew. The collection changed the quick-lived Cos, and aired earlier than Top 10 hits The Six Million Dollar Man and The ABC Sunday Night Movie. The Hardy Boys had beforehand been tailored for The Mickey Mouse Club in the late 1950s, and a Saturday morning cartoon collection in the late 1960s, both of which disenchanted Adams once more. Larson later acknowledged the network had "cancellation remorse", while Stevenson said that, years later, an ABC government on the time said his greatest mistake was cancelling The Hardy Boys.