1883 fans are anticipating Sunday's finale of the show, where Elsa Dutton's fate will be revealed.
MORE: Tim McGraw saddens 1883 fans with latest Instagram post
The series has been a huge hit with fans who will be disappointed when it comes to an end, as will the cast and crew – who have formed tight bonds throughout the filming process.
During an interview on Entertainment Tonight, co-stars Isabel Dutton, who plays Elsa in the show, and Faith Hill, who plays Margaret, chatted about their off-screen relationship. Isabel got emotional after hearing that Faith considers her as a "fourth daughter" during a sweet exchange.
VIDEO: Faith Hill shares painful memory filming 1883
Asking what that meant to her to hear that, the actress replied: "It means the world. It makes me very emotional because I love them dearly and I do feel almost like their family now and just being able to be part of it, it's a dream come true. Sometimes I pinch myself in the morning just to know it's all real."
MORE: Faith Hill and Tim McGraw's daughter Gracie causes a stir in video you need to see
MORE: Isabel May makes shocking revelation about character Elsa Dutton
She added: "They are such beautiful souls and they've taken such good care of me, and looked out for me like they are my parents. It's a dream come true. I can't believe I get to do it. I really can't.
1883 star Isabel May got emotional as she chatted with co-star Faith Hill
"They are the most authentic and kind individuals I've ever met."
MORE: Tim McGraw and Faith Hill enjoy romantic day out in rare photograph
MORE: Tim McGraw and Faith Hill's lavish Nashville home could rival a palace – see inside
In the latest episode, Chasing Clouds, which aired last Sunday, Isabel's character was shot with an arrow, and viewers are now waiting to find out whether or not she survives.
There have been fan theories pointing to clues behind her both surviving and dying, and there's guaranteed to still be some twists and turns along the way.
Faith Hill and Isabel May are incredibly close - and play mother and daughter in the hit show
Elsa is a breakout role for Isabel, with the show propelling her into the spotlight. She was always destined to play the character, with the show's creator, Taylor Sheridan, recently revealing that he had written Elsa just for Isabel.
MORE: Faith Hill reveals 'difficult' living situation without her and Tim McGraw's daughters
MORE: 1883 fans spot major clue Elsa Dutton will survive
Chatting to Wide Open Country, she said: "He [Taylor] said, 'I haven't written it yet but you're Elsa and I want you to be Elsa, do you want to be Elsa?' I said, of course, I want to be Elsa. Then he outlined what it would entail and what story he wanted to tell, and yeah, I just was swept away."
Read more HELLO! US stories here
Like this story? Sign up to our HELLO! Mail newsletter to get other stories like this delivered straight to your inbox.