Question: Who is the husband of lady which  Camilla Luddington played her role in the Lifetime TV film?

Context paragraphs:
I Married a Princess: I Married a Princess is a 2005 reality show on the Lifetime TV network that starred Catherine Oxenberg and her husband Casper Van Dien.  The show's slogan is "under the tiara and behind the shades - a real life look at a fairy-tale family."  The show's core conceit is technically false: although Oxenberg is descended from Serbian royalty and she is technically in the line of succession to several extant titles, she holds no royal or noble rank herself and is not considered a princess by any government.

Stephanie Edwards (Grey's Anatomy): Stephanie Edwards, M.D. is a fictional character from the medical drama television series "Grey's Anatomy", which airs on the American Broadcasting Company (ABC) in the United States.  The character was created by series producer Shonda Rhimes, and was portrayed by actress Jerrika Hinton from 2012 to 2017.  Introduced as a surgical intern at the fictional Seattle Grace Mercy West Hospital, later renamed Grey Sloan Memorial Hospital, Stephanie works her way up to resident level with fellow intern and friend, Jo Wilson (Camilla Luddington).

Television Writers Vault: The Television Writers Vault is an online marketplace within the television industry used for scouting and selling original TV formats, concepts, and intellectual properties to produce as new television shows.  It is the first website to deliver new show ideas from people outside of the industry, resulting in successful productions by major networks.  2012 saw the global broadcast of two reality television concepts discovered from the site; "Saw Dogs" (aired on Discovery Channel, TV4 Sweden, and OLN) and "Deals From The Darkside" (aired on SyFy, A&E Australia, OLN, UKTV).  2014 saw the premiere of "Kim of Queens" on Lifetime TV, whose star, Kim Gravel, was discovered pitching her own concepts at the TV Writers Vault.

Karly Rothenberg: Karly Rothenberg is an American film and television actress.  In addition to her feature film roles, Karly is known for her Recurring Guest Star Role as Marlene, Secretary to Miguel Ferrer's character, Lt. Felix Valdez, on Lifetime TV's "The Protector".  She was also a Recurring Guest Star in the role of Mrs. Valentine on Disney Channel's hit series "That's So Raven" and portrays Madge, a dock worker on "The Office".

America's Psychic Challenge: America's Psychic Challenge was a competitive reality TV series on the Lifetime Television Network.  The show originated in the UK with the title "Britain's Psychic Challenge".  Bunim-Murray Productions produced the American version for Lifetime TV.

True Colors (Grey's Anatomy): "True Colors" is the twenty-third episode of the thirteenth season of the American television medical drama "Grey's Anatomy", and is the 292nd episode overall.  It aired on May 11, 2017 on ABC in the United States.  The episode was written by William Harper and directed by Kevin McKidd.  In the episode Owen Hunt (McKidd) is informed about the fate of his sister, Megan, who's Nathan Riggs' fiancée and had been MIA.  Alex Karev (Justin Chambers) discovers the identity of Jo Wilson's (Camilla Luddington) abusive ex-husband, meanwhile the Grey Sloan Memorial's doctors treat a couple from a car accident, only to later discover their true identities as a rapist and his victim.

Catherine, Duchess of Cambridge: Catherine, Duchess of Cambridge (Catherine Elizabeth "Kate"; "née" Middleton; born 9 January 1982) is the wife of Prince William, Duke of Cambridge.  Following his father Charles, Prince of Wales, William is second in line to succeed his grandmother, Queen Elizabeth II, as monarch of the United Kingdom and 15 other Commonwealth realms, making Catherine a likely future queen consort.

Ian Coburn: Ian Coburn is a comedian and author of the book "".  Coburn claims to have been a big road comic in the nineties; he purports to hold the industry tour record of 106 consecutive weeks on the road.  Coburn is an expert for Lifetime TV on their web site Lifetime Love Panel.

Camilla Luddington: Camilla Luddington (born December 15, 1983) is an English actress.  She is known for her roles as Catherine Middleton in the Lifetime TV film "", and as Jo Wilson in the ABC medical drama "Grey's Anatomy".  She provided the voice and motion capture work for Lara Croft in the 2013 video game "Tomb Raider" and its 2015 sequel "Rise of the Tomb Raider".

Run for Your Life (2014 film): Run for Your Life is a 2014 American Lifetime TV movie and drama film based on a true story.  Meredith (Amy Smart) is a battered Canadian woman who flees Canada to escape her abusive husband.  She settles in Seattle, but her now-remarried ex-husband finds her.  To protect her children, she must choose between killing him herself, hiring someone to kill him, or disappearing with her children and assuming new identities.  It is based on Katherine Kotaw's "Quicksand: One Woman’s Escape From the Husband Who Stalked Her".

Supporting paragraphs: Camilla Luddington Catherine, Duchess of Cambridge
Answer: Prince William