The Secret Partner (1961)/Blue's Clues

Cast

 * Josh Brent as Steve
 * Nicole 'Nikki' Brent as Magenta
 * Detective Superintendent Frank Hanbury as Mailbox
 * Charles Standish as Shovel
 * Detective Inspector Tom Henderson as Slippery Soap
 * Helen Standish as Blue
 * Dr. Alan Richford as Periwinkle
 * Clive Lang as Mr. Salt
 * Ralph Beldon as Cinnamon
 * Strakarios as Bowl
 * Lyle as Spatula
 * Brinton as Purple Kangaroo