Nicholas Scott Lachey (born November 9, 1973) is an American singer, dancer, actor, television personality, and host. He rose to fame as the lead singer of the multi-platinum-selling boyband 98 Degrees, and later starred in the reality series Newlyweds: Nick and Jessica with his then-wife, Jessica Simpson. He has released four solo albums: SoulO, What's Left of Me, A Father's Lullaby, and Soundtrack of My Life. He also had a recurring role on the television series Charmed. He hosted NBC's The Sing-Off, co-hosted VH1's Big Morning Buzz Live from 2014 to 2015, and Nickelodeon's America's Most Musical Family, and co-hosts the Netflix shows Love Is Blind and The Ultimatum with his wife Vanessa Lachey. He is also the sole host of Perfect Match for Netflix. ​From Wikipedia, the free encyclopedia.  

Nick Lachey plays as Self - Host in The Ultimatum: Marry or Move On.
Nick Lachey is the top #1 member of the cast and appears in 20 episodes.

Vanessa Joy Lachey (née Minnillo, born November 9, 1980) is an American television personality, television host, model, and actress. A former Miss Teen USA, she has been a New York-based correspondent for Entertainment Tonight and a host of Total Request Live on MTV. She was the host of the Miss Universe 2007, which was held at Mexico City, Mexico, in the National Auditorium, with Mario Lopez. ​From Wikipedia, the free encyclopedia.  

Vanessa Lachey plays as Self - Host in The Ultimatum: Marry or Move On.
Vanessa Lachey is the top #2 member of the cast and appears in 20 episodes.

April Marie plays as Self in The Ultimatum: Marry or Move On.
April Marie is the top #3 member of the cast and appears in 10 episodes.

Madlyn Ballatori plays as Self in The Ultimatum: Marry or Move On.
Madlyn Ballatori is the top #4 member of the cast and appears in 10 episodes.

Rae Williams plays as Self in The Ultimatum: Marry or Move On.
Rae Williams is the top #5 member of the cast and appears in 10 episodes.

Colby Kissinger plays as Self in The Ultimatum: Marry or Move On.
Colby Kissinger is the top #6 member of the cast and appears in 10 episodes.

Jake Cunningham plays as Self in The Ultimatum: Marry or Move On.
Jake Cunningham is the top #7 member of the cast and appears in 10 episodes.

Shanique Imari plays as Self in The Ultimatum: Marry or Move On.
Shanique Imari is the top #8 member of the cast and appears in 10 episodes.

Randall Griffin plays as Self in The Ultimatum: Marry or Move On.
Randall Griffin is the top #9 member of the cast and appears in 10 episodes.

Zay Wilson plays as Self in The Ultimatum: Marry or Move On.
Zay Wilson is the top #10 member of the cast and appears in 10 episodes.