Question: What actor played the stepmother of Max and Polly's?
About the article "How to Live with Your Parents (For the Rest of Your Life)", section "Development and production".

Candidate passages:
  Sarah Chalke as Polly, the single and divorced mother.
Elizabeth Perkins as Elaine Green, Polly's mother and Natalie's grandmother.
Rachel Eggleston as Natalie Tatham, Polly's daughter and Elaine's granddaughter.
Brad Garrett as Max Green, Elaine's husband and Polly's step-father.
Jon Dore as Julian Tatham, Polly's ex-husband.
Stephanie Hunt as Jenn, Polly's co-worker and friend.  
The plot consists of Polly's class going to Pollyworld to appear on a game show.
Meanwhile, a jealous classmate named Beth tries to help Polly's future stepmother get rid of Polly (by sending her to boarding school). 
Actress Winona Ryder, who had been raised in Petaluma, offered a $200,000 reward for Polly's safe return during the search.
After Polly's death, Ryder starred in a film version of "Little Women" and dedicated it to Klaas's memory, since the novel had been Polly's favorite book. 
 "Polly Whittacker" is the main protagonist.
"Thomas Lynn" who shares a special relationship with Polly, and whom Polly must rescue from Laurel.
"Granny" is Polly's paternal grandmother whom Polly goes to live with at the age of ten.
"Laurel" is the antagonist, or the "Queen of the Faeries" in this retelling.
"Ivy" is Polly's mother.
"Nina" is Polly's childhood friend.
In Polly's "revised" set of memories, her friendship with Nina was erased.
"Fiona Perks" who becomes Polly's good friend and later her flatmate, and is instrumental in verifying the existence of Tom later on.  
Polly begins narrating the novel just as she arrives in Greece.
She expects to be picked up by her Aunt and Uncle but they were detained and will not arrive in Greece for a few days.
Polly goes to her hotel and feels rather depressed about the current state of affairs.
But her mood improves when she meets Zachary Gray at the hotel restaurant.
He is quite interested in her and is attracted to her innocence.
He offers to take her around Greece and show her the sights.
Polly is reluctant but agrees.
Zachary is an interesting tour guide and Polly enjoys his companionship.
But when Zachary begins to show interest in a romantic and physical relationship, she resists.
When Polly's aunt and uncle show up, Zachary is unable to keep up his relationship with Polly but insists that they will see each other again.
During this time, Polly has been flashing back to the past and how she managed to get a trip to Greece.
About six months earlier, Polly was introduced to Max, a friend of her uncle.
Although Max is an adult and Polly is still a teenager, the two begin a friendship and Max encourages Polly to develop her identity.
Polly's friend Renny also encourages her and Polly blossoms.
When Max admits that she and her "friend" Ursula have been lovers for thirty years, Polly is surprised but decides this does not change who Max is and remains friends.
Max also admits she is dying, which devastates Polly.
But after one night of heavy drinking, Max makes what seems to be a sexual advance toward Polly.
Polly is horrified.
Ursula tries to assure Polly that Max loves her (Polly) as a daughter, not in any romantic sense but Polly is still terrified and runs away.
She stays with Renny.
While still vulnerable and scared, Polly and Renny sleep together.
Polly returns to her family and does not tell them about Max or Renny.
While she severs all contact with Max, she still accepts the trip to Greece.
In the present, Polly goes to a literary conference, held on Cyprus, where she is to volunteer.
Surrounded by new friends and interesting work, Polly begins to heal.
But Zachary suddenly appears and asks Polly to go out with him.
She reluctantly agrees.
The two go sailing on the ocean but an accident occurs and the two nearly drown.
They are saved by Polly's friends from the conference.
This event makes Polly realize that she needs to talk to Max, before it's too late.
She phones America and tells Max that she forgives her.
The line goes dead after a few minutes but Polly is satisfied because she and Max are friends once more.