Unlike most dating shows that focus on pairing singles together, The Ultimatum takes things up a notch by casting already existing couples, and forcing them to examine the future of their relationship. One person in each couple issues the other the titular ultimatum, and then they must decide if they're ready to take the next step together, or if they want to remain single.

The twist here is that during the course of the show, each person will be coupled up with a new person, and they can also decide they want to leave their original partner and start a new relationship altogether. The first season of the show featured five couples from Austin, Texas, and the next edition, (technically a spinoff titled The Ultimatum: Queer Love), featured five queer couples in San Diego.

Season 2 of the main Ultimatum series will premiere in two batches—episodes 1-8 will premiere on August 23, and the ninth and tenth episode will air a week later, on August 30. The couples that hail from South Carolina, and just like the previous seasons, each couple has a different reason for giving, or being given, the ultimatum. Here's what you need to know about the cast.

The Ultimatum: Marry or Move On Season 2 Official Cast

Kat and Alex

Kat, 28, has issued the Ultimatum to Alex, 32. They met on a dating app and have enjoyed their time together, but their very different approaches to life and communication mean they’ve come to an impasse in their relationship.

• Instagram: @KathrynShelton

Lisa and Brian

Lisa, 32, has issued the Ultimatum to Brian, 29. The couple first got together after a six-month situationship, but after a year and a half together, they can’t agree on a timeline to get married.

• Instagram: @lisahorne_

• Instagram: @brianxokoye

Ryann and James

Ryann, 24, has issued the Ultimatum to James, 24. These high school sweethearts differ in how they want to start their future; she wants to get engaged now, but he wants to land a big job first.

• Instagram: @ryanntaylorrrrr

• Instagram: @jamesmorris_g98

Riah and Trey

Trey, 29, has issued the Ultimatum to Riah, 25. They’ve been together for two years and live together, but while Trey is ready to get married, his girlfriend isn’t quite sure if she really wants to walk down the aisle at all.

• Instagram: @treyb16

• Instagram: @jeriahnyree

Roxanne and Antonio

Antonio, 30, has issued the Ultimatum to Roxanne, 31. After four on-and-off years together, he’s ready to propose, but Roxanne is extremely career-focused, and she isn’t sure if she could be with someone long-term that isn’t the same way.

• Instagram: @amattei2

• Instagram: @rickyrox_

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