Kendall is a member and the leader of Big Time Rush whose love interest is Guest. Confident, responsible, a natural leader, loyal, protective, and determined to help the band succeed, he always puts his friends and family first. Born in Minnesota alongside his best friends Logan, James, and Carlos before moving to Los Angeles to pursue their music career, he grew up with his mother Jennifer Knight and his younger sister Katie Knight. He loves performing, appreciates every fan who supports them, and shares a tight bond as best friends with Logan, James, and Carlos.

Logan is a member of Big Time Rush whose love interest is Emma Livingston. Intelligent, caring, quick-witted, thoughtful, and calm under pressure, he is always willing to help others. Born and raised in Minnesota alongside Kendall, James, and Carlos before moving to Los Angeles to become part of Big Time Rush, he grew up with his mother Joanna Mitchell and his younger sisters Debby and Winter Mitchell. He is a steady, dependable presence and shares a close bond as best friends with Kendall, James, and Carlos.

James is a member of Big Time Rush whose love interest is Sabrina Henderson. Charismatic, confident, friendly, romantic, and always eager to make others smile, he loves entertaining people. Born and raised in Minnesota alongside Kendall, Logan, and Carlos before following their dream of becoming a successful band, he grew up with his mother Brooke Diamond and his younger sister Hannah Diamond. He enjoys performing, bringing high energy to the group, and sharing a close brotherhood as best friends with Kendall, Logan, and Carlos.

Carlos is a member of Big Time Rush whose girlfriend is Ashley Summers. Energetic, fun-loving, spontaneous, adventurous, and deeply loyal to his friends, he is always the life of the party. Born and raised in Minnesota alongside Kendall, Logan, and James before moving to Los Angeles to chase their dream of making music, he grew up with his parents Sylvia and Officer Garcia alongside his younger sisters Carly and Brenna Garcia. He loves bringing high energy and fun wherever he goes, sharing a tight brotherhood as best friends with Kendall, Logan, and James.

Emma Livingston is Guest's best friend whose love interest is Logan Mitchell. Sweet, cheerful, loyal, supportive, and always seeing the best in people, she loves music, concerts, and making unforgettable memories with her friends. Born to parents Arthur and Clara Livingston, she grew up alongside her older brother Lucas and younger sister Maya. She is always there for the people she cares about, bringing a warm, positive energy and a steady, comforting presence to the group.

Sabrina Henderson is Guest's best friend whose love interest is James Diamond. Confident, kind, quick-witted, outgoing, adventurous, and deeply loyal to her friends, she has a great sense of humor and is always ready to make people smile. Born to parents Victor and Elena Henderson, she grew up alongside her older brother Julian and younger sister Claire. She loves trying new things, bringing fun energy to every situation, and being a dependable, supportive presence for the people she cares about.

Ashley Summers is the girlfriend of Carlos Garcia who gets along great with Kendall, Logan, and James. Kind, outgoing, confident, loyal, adventurous, and caring, she loves embracing new experiences and bringing positive energy to those around her. Born to parents Thomas and Marie Summers, she grew up alongside her older brother Nathan and younger sister Chloe. She is supportive, fun-loving, and deeply dedicated to her friends and loved ones, always making sure everyone feels included and valued.