As CBS TV series "Doubt" gets ready to move ahead with further episodes, actress Katherine Heigl gets candid about her role. The creators Tony Phelan and Joan Rater also shed light on the show and why they chose Katherine Heigl for the role.

Katherine Heigl has said that the premise of "Doubt" blew her away, Collider claims. In an interview, the actress said that creators Tony Phelan and Joan Rater piqued her interest because she has worked with them before and she knows how talented, smart and amazing their work is. The premise was also exciting and so was the character. She admitted that Sadie's character is someone she really respects and admires.

When asked what makes Tony and Joan unique, the "Doubt" actress said that their stories have a level of sophistication and their characters possess humanity. According to her, their characters are very well-rounded and there is more to them than just their professionalism. She also denied that the character was written with her in mind because of the successful relationship she shares with Tony and Joan. Notably, Katherine Heigl has worked with the duo in "Grey's Anatomy."

In related news, creators Tony Phelan and Joan Rater have also spoken about "Doubt" and their equation with Katherine Heigl, Variety reported. According to Phelan, they wanted to do their own show and so, they knew that they wanted to move away from medicine. Rater said that both medicine and criminal defense are concepts with high stakes and they provide with many storylines.

As for Katherine Heigl starring in "Doubt," Rater said that when they heard that she was available, they just jumped at the prospect of working with her. She said that Katie has the ability to be funny and yet smart and relatable. According to her, she is kind of dreamy while Phelan feels that she is a fantastic leader of the cast and takes her responsibility very seriously. He said that Heigl-led by example and also possesses a great sense of humor.

"Doubt" premiered on Feb. 15 and airs Wednesdays on CBS.

Tags: Doubt Katherine Heigl Tony Phelan and Joan Rater