Plot: Chip's secret love is an older girl named Mary Lou. When Steve suggests his love sick son should find out where he stands by asking for a date, Chip calls and identifies himself as 'Douglas'
Cast
Fred MacMurraySteve DouglasFred MacMurray was 57 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Sun, Aug 30 1908
Tue, Nov 05 1991
Tue, Nov 05 1991
Don GradyRobbie DouglasDon Grady was 21 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Thu, Jun 08 1944
Wed, Jun 27 2012
Wed, Jun 27 2012
Barry LivingstonErnie ThompsonBarry Livingston was 11 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Thu, Dec 17 1953
Stanley LivingstonChip DouglasStanley Livingston was 14 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Fri, Nov 24 1950
William FrawleyBub O'CaseyWilliam Frawley was 78 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Fri, Feb 25 1887
Thu, Mar 03 1966
Thu, Mar 03 1966
William DemarestCharley O'CaseyWilliam Demarest was 73 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Fri, Feb 26 1892
Wed, Dec 28 1983
Wed, Dec 28 1983
Rand BrooksRand Brooks was 47 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Sat, Sep 21 1918
Mon, Sep 01 2003
Mon, Sep 01 2003
Morgan BrittanyMorgan Brittany was 13 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Wed, Dec 05 1951
Crew
James V. KernDirectorJames V. Kern was 56 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Wed, Sep 22 1909
Wed, Nov 09 1966
Wed, Nov 09 1966
John McGreeveyWriterJohn McGreevey was 42 in My Three Sons - Season 6 - Mary-Lou (Episode 7).
Birthday: Thu, Dec 21 1922
Tue, Dec 21 2010
Tue, Dec 21 2010