Question: Who was the co-host of the actor that played in "How I Met Your Mother"?

Context paragraphs:
A-List Listings: A-List Listings is an American reality television series that debuted October 24, 2012, on E!.  Hosted by David Burtka and Catt Sadler, the series showcases America's most exclusive and extravagant homes.

Rock Me Baby (TV series): Rock Me Baby is an American television series set in Denver, Colorado.  It is a comedy / drama that debuted on September 15, 2003 on UPN.  "Rock Me Baby" stars actor and comedian Dan Cortese as Jimmy Cox, co-host of a popular Denver radio show with his best friend, Carl, played by Carl Anthony Payne II.  Bianca Kajlich plays Beth Cox, Jimmy's wife, and the two have a baby named Otis.  Tammy Townsend plays Beth's best friend, Pamela, who is obsessed with the glamorous life.

Starstrider: Starstrider was a children's quiz show that was produced by Granada Television and aired on ITV in 1984 and 1985 and ran for 2 series.  The host, Starstrider, a space being from the planet Ulphrates III on the search for intelligence, was played in Series 1 by Roger Sloman and in Series 2 by Jim Carter.  Future Doctor Who actor Sylvester McCoy co-hosted both series, playing Starstrider's hapless assistant Wart.  Both the host and co-host would greet the teams each week with the words, "Hello and welcome" and similarly they would end the show saying, "Goodbye and farewell".

Terry Bradshaw: Terry Paxton Bradshaw (born September 2, 1948) is a former American football quarterback who played professionally in the National Football League (NFL).  Since 1994, he has been a TV analyst and co-host of "Fox NFL Sunday".  Bradshaw is also an actor, having participated in many television shows and films, most notably starring in the movie "Failure To Launch".  He played for 14 seasons with Pittsburgh, won four Super Bowl titles in a six-year period (1974, 1975, 1978, and 1979), becoming the first quarterback to win three and four Super Bowls, and led the Steelers to eight AFC Central championships.  He was inducted into the Pro Football Hall of Fame in 1989, his first year of eligibility.  Bradshaw was inducted into the College Football Hall of Fame in 1996.

Raji James: Rajesh Kumar Jhanji (born 24 February 1970 in Portsmouth) better known by his stage names Raji James is a British Indian actor, club night promotor and podcast co-host, best known for his roles as Ash Ferreira in "EastEnders" and as DS Vik Singh in "The Bill".  He also played Abdul Khan in the 1999 film "East Is East".  Between 2007-2008 he participated in "The Ray Peacock Podcast".

The Mother (How I Met Your Mother): Tracy McConnell, better known as "The Mother", is the title character from the CBS television sitcom "How I Met Your Mother".  The show, narrated by Future Ted, tells the story of how Ted Mosby met The Mother.  Tracy McConnell appears in 8 episodes from "Lucky Penny" to "The Time Travelers" as an unseen character; she was first seen fully in "Something New" and was promoted to a main character in season 9.  The Mother is played by Cristin Milioti.

Janelle Johnson: Janelle Johnson (December 2, 1923 - December 2, 1995) was a film actress of the 1940s.  She married actor George Dolenz (1908–63) and was the mother of Micky Dolenz of the 1960s pop group the Monkees.  Her English daughter-in-law was Samantha Juste, co-host of BBC television's "Top of the Pops" in its early days.  Her granddaughter, Ami Dolenz, also became a film actress.

Adam Ferrara: Adam Ferrara (born February 2, 1966) is an American actor and comedian known for playing the role of Chief "Needles" Nelson on the critically acclaimed FX series "Rescue Me".  He was a co-host on the U.S. version of "Top Gear" and played NYPD Sgt. Frank Verelli opposite Edie Falco on SHOWTIME series "Nurse Jackie".  He also played Detective Tommy Manetti on the television series "The Job".

David Burtka: David Michael Burtka (born May 29, 1975) is an American actor and professional chef.  He is known for his acting roles in theatre and television shows such as "How I Met Your Mother" and "The Play About the Baby".  After his role on "How I Met Your Mother", Burtka gained media attention for dating Neil Patrick Harris, whom he later married in 2014.

E. E. Bell: E.E. Bell (born Edward Earle Bell; December 27, 1955) is an American comic actor best known for his role as Bob Rooney on the sitcom "Married... with Children".  He also had a recurring role as Barney the security guard in the Nickelodeon sketch comedy series "The Amanda Show".  He also had a guest role as Leslie the tow truck driver on "Drake & Josh" and as the Mystery Guest on "How I Met Your Mother".  In 1993 until 1994, he also was in the TV show Xuxa, as Jelly The Panda.  He also made a guest appearance on "Sonny with a Chance" as he played a school principal.  He recently appeared in "Good Luck Charlie, It's Christmas! " as Lenny.  Bell appeared on an episode of "Hollywood Squares" on April Fools' Day 2003 as part of a prank played on host Tom Bergeron.  He appeared in "Shake It Up" as Mr. Block, the president of the Toy Company, and in "", as the Pickup Driver.

Supporting paragraphs: A-List Listings David Burtka
Answer: Catt Sadler