Clancy Brown as Johnathan Hart
"Your brothers are idiots, but they mean well. You are their only sister and in all of our eyes, we still see you as a little girl."

Eric Christian Olsen as Lucas Hart
"The oldest and coolest Hart..."

Ryan Kwanten as Liam Hart
"What? We can't visit our baby sister when we miss her?"

Justin Hartley as Kelly Jack "KJ" Hart
"The Construction job was supposed to be a temporary gig until I become an actor but now I have a daughter that is going off to college, took over a business that I have worked at since I was 16 and now I guess I can branch out the business in California."

Eric Winter as Andrew "Andy" Hart
"She's bad cop, I'm good cop. Better tell her what you know unless you want her to break something."

Jesse Lee Scoffer as Jameson "Jay" Hart
"Oh, by the way, she can smell fear..."

Derek Theler as Daniel "Danny" Hart
"There's a reason why her nickname is Gremlin..."

Jean-Luc Bilodeau as Benjamin "Ben" Hart
"I'm very mature. I have a kid now...  wait where's Emma?"

Jane Fonda as Barbara "Babs" Hart
"You know how I feel about being called 'grandma', it makes me sound old. Do I look old to you? Don't answer that."

Susan Lucci as Calliope "Yaya" Drakos-Hardie
"Of course I'm dramatic. I'm Greek. Greeks invented theater."

Chloe Coleman as Nyla Hart
"My dad's a firefighter and uncle Pax is a paramedic so I practically grew up in a firehouse."

Isabel May as Kadence "Kady" Hart
"Yeah...my family is a little crazy and weird. You get use to it."

Chandler Kinney as Chandler Hart
"Do you think I can make it as a model or singer?"

Sofia Wylie as  Monica Hart
"I love LA! It's like 90° and it's December."

Yaya DaCoasta as Maggie Walker -Hart
"Liam has a big heart but no brain. I love him with all my heart, he is the father of my girls but it is like talking to a wall. I am married to Homer Simpson.

Alisha Boe as Dionne O'Connell
"Per, you are my best friend, my sister from another mister, the Salt to my Pepa, Scooby Doo to my Shaggy. But you are an idiot when it comes to guys, you have a Hercules hunk of a firefighter that you love and I'm pretty sure he loves you so get your head out of your ass and forgive him already or I will lock you both in a closet."

Sura and Kayleigh Harris as Emma Hart