Executive-produced by Renee Zellweger, Craig Zadan and Neil Meron, the star-studded film also boasts Angie Harmon, Amanda Bynes, Swoosie Kurtz, Regina King, Jennifer Coolidge, Trudie Styler, Tammy Blanchard, John Benjamin Hickey, Paula Cale and The Pajama Game's Harry Connick Jr., according to the Hollywood Reporter.

Based on Robert Bazell's book, "Living Proof" casts Connick, Jr. as UCLA Dr. Dennis Slamon, who developed Herceptin, a drug to battle breast cancer. The Storyline Entertainment-Sony Pictures TV film is scheduled to air on the cable network in October.

According to the industry paper, the film casts Bynes as Slamon's assistant; Harmon as Lilly Tartikoff, who helped the doctor raise funds for his research; Blanchard as the first patient to test the drug; Kurtz as Blanchard's grandmother; Peters as the first woman to be saved by the drug; Styler and Coolidge as other participants in the study of the drug; King as a survivor of breast cancer; Hickey as another scientist; and Cale as the wife of Dr. Slamon.

The script for "Living Proof" was penned by Vivienne Radkoff. Dan Ireland directs.

Bernadette Peters was last on Broadway in the acclaimed revival of Gypsy, for which she received a 2003 Tony Award nomination for her performance as Rose in the Sam Mendes-directed production. She won her two Tonys for her performances in Andrew Lloyd Webber's Song & Dance and Irving Berlin's Annie Get Your Gun, and she has also starred on Broadway in Mack & Mabel, On the Town, Sunday in the Park with George, The Goodbye Girl and the original production of Stephen Sondheim's Into the Woods. Peters' newest live recording, "Sondheim, Etc., Etc.—Bernadette Peters Live at Carnegie Hall (The Rest of It)," is available on the Angel Records label. Masterworks Broadway has also released a "Legends of Broadway" CD celebrating her theatrical career. Peters' screen credits are numerous. Peters is also a best-selling author for her new children's book, "Broadway Barks."