The Secret Partner (1961)/Dexter's Laboratory

Cast

 * Josh Brent as Dexter
 * Nicole 'Nikki' Brent as Dexter's Mom
 * Detective Superintendent Frank Hanbury as Mr. Luzinski
 * Charles Standish as Krunk
 * Detective Inspector Tom Henderson as Dexter's Dad
 * Helen Standish as Dee Dee
 * Dr. Alan Richford as Action Hank
 * Clive Lang as Mandark
 * Ralph Beldon as Dexter's Grandpa
 * Strakarios as Dexter's Monkey
 * Lyle as Douglas
 * Brinton as Mandark's Duck