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 line). 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 (Search 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 wherein a tsunami appears to strategy a cruise ship, a deliberate homage to the 1972 disaster film, The Poseidon Adventure, during which Martin had additionally starred. She later visitor starred in a Nancy Drew episode, "The Mystery of the Fallen Angels". Sidaris acknowledged that casting Nancy Drew was harder, as "everybody had a set image in their heads" of what she was like. Adams wanted Brotman and Sidaris to keep the healthful, conservative values of the characters; when Brotman and Sideris agreed, she authorised of the series, but with full script approval.

The episodes are then storyboarded by artists, who produce 500 to 800 drawings over three weeks whereas consulting the author's script. Stevenson, Cassidy and Martin are credited as Starring. Martin, Stevenson, and Cassidy had been all credited in all episodes, despite this system alternating between the characters. Whereas the characters had been typically depicted as teenagers in the original books and most previous display screen 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 1930s, the Tv sequence "aged-up" Frank and Nancy, as Stevenson and Martin have been each in their mid-20s; solely Cassidy was still a teen on the time the sequence entered production. 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 At first, the 83-year-outdated Adams was skeptical. Adams about buying the movie rights to the Drew sequence. This time, they minimize the Nancy Drew character, and the sequence, now titled The Hardy Boys, Hardoi escorts centered solely on the Hardys. The Hardy Boys and Nancy Drew have been each successful ebook publishing franchises owned by the Stratemeyer Syndicate, a publishing group which owned many successful children's e-book strains.

Actress Jamie Lee Curtis auditioned for the position of Nancy Drew. Rick Springfield also portrayed Ned Nickerson in a single season two episode, but Springfield's position was unrelated to O'Hanlon's. Joe Hardy was engaged in the first episode, but his fiancée was killed in successful-and-run, investigated by the FBI. For the primary season, the opening credit featured a maze below the series title. For the third season, the collection' theme tune was remixed, and given extra of an upbeat disco sound. This backlot avenue was later used within the Tom Hanks comedy film The 'Burbs; the music video for Smash Mouth's hit music "All Star"; and as Wisteria Lane within the ABC drama Desperate Housewives, in which the house of the Hardys additionally served the house of major character Susan Mayer. Universal gave the task to Glen A. Larson, who had produced the police drama Get Christie Love! At the tip of the haunting theme music, the voice-over announcer (William Conrad) would state who was featured within 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 guide covers from the e-book collection. Following the ending of the second season, the Nancy Drew character was dropped, and the series was re-titled The Hardy Boys. Following the departure of Pamela Sue Martin and the subsequent blended reaction with substitute Janet Louise Johnson, producers once once more rebooted the collection. Janet Louise Johnson was also in her late teenagers when she replaced Martin as Nancy Drew. The series replaced the short-lived Cos, and aired before 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 within the late 1960s, both of which disillusioned Adams again. Larson later stated the community had "cancellation remorse", whereas Stevenson mentioned that, years later, an ABC government at the time said his greatest mistake was cancelling The Hardy Boys.