San Diego People’s host Sandra Maas interviews Fran Cannon, MBA ACM

When the Whistle Blows


Fran Cannon Slayton is an author of children's books.

The noticeably Frank Cannon had expensive tastes, especially in and . (His primary vehicle was an ice-blue '72 .) During the series' run, his car would range from a Lincoln 1971 Mark III to a 1976 Mark IV in various color schemes, all dark over light blue exteriors, with interiors ranging from red velour to dark-blue leather. Cannon's investigations were mostly for clients in the area, although on occasion he was called in for investigations much farther away (e.g., in the pilot).

Frank Cannon was a detective with the , however he retired after the deaths of his wife and son in a and later became a . The series begins at the point where Cannon is just beginning this new career (the pilot film picks up after Cannon has just spent 2 1/2 months overseas on an investigation). The cause of death of Cannon's wife and child was not clear through the first four seasons of the show. However, the first episode of the fifth and final season revolves around Cannon's investigation of the deaths, and he finally finds out the reason they were killed.

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Frank Cannon had his first meeting with (), an aging veteran private investigator who had retired and turned over his agency to his son, Hal. However, Hal is killed. With the aid of Cannon and Hal's widow, Betty Jones (), they hunt down Hal's killer. Afterward, Jones decides to come out of retirement. The premiere episode of , "Requiem for a Son" was planned as a second-season episode so that could qualify as a spin-off of , but when was sold as a separate series, the script was reworked into the premiere of that show. William Conrad appeared as Cannon in the guise of a special guest star.

is a television series produced by which aired from 1971 to 1976 The primary protagonist is the title character, private detective Frank Cannon, played by . He also appeared on two crossover episodes of .