The Blues pair have been selected in manager Lawrie Sanchez's 20-man squad for the matches against Denmark in Copenhagen on October 7th and Latvia in Belfast four days later.
Johnson, who is one game into a three game suspension at club level, returns to the squad after sitting out the opening two qualifiers through suspension.
Northern Ireland Squad: Taylor (Birmingham), Carroll (West Ham), Ingham (Wrexham); Capaldi (Plymouth), Craigan (Motherwell), Baird (Southampton), Hughes (Aston Villa), Duff (Burnley), Evans (Man United); McCann (Cheltenham), Davis (Aston Villa), Elliott (Hull), Gillespie (Sheffield United), Clingan (Nottingham Forest), Johnson (Birmingham); Feeney (Luton), Quinn (Northampton), Healy (Leeds), Lafferty (Burnley), Jones (Burnley).