The actor that played Dr. Mark Devanow on "Mad About You" also starred with Katie Holmes and Luke Wilson in a 2016 drama film based on a novel by what author?
All We Had:  It is based on the 2014 novel "All We Had" by Annie Weatherwax. Richard Kind: Richard Bruce Kind (born November 22, 1956) is an American actor and voice actor known for his roles in the sitcoms "Mad About You" (as Dr. Mark Devanow) and "Spin City" (as Paul Lassiter).
Annie Weatherwax