Watch What Happens Live with Andy Cohen Season 12 Episode 38

John Oliver & Mark Duplass

TV show host John Oliver ("Last Week Tonight With John Oliver"); actor Mark Duplass ("Togetherness").

Guest Stars

John Oliver

Self - Guest

Mark Duplass

Self - Guest

Season 12

Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 16Season 17Season 18Season 19Season 20Season 21Season 22Season 23

1–100101–200201–206

1–3031–6061–100

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