Katharine McPhee Cast in NBC Pilot “Smash” About a Broadway Marilyn Monroe Musical

Season 5 American Idol runner-up Katharine McPhee has been cast in a co-starring role for NBC’s hour-long pilot titled Smash, produced by DreamWorks. Industry reports indicate the pilot is based on an idea by Steven Spielberg and centers on an ensemble of characters who come together to mount a Broadway musical inspired by Marilyn Monroe.

Smash follows the creative and personal dynamics behind producing a Broadway show. The story focuses on the musical’s composer, Tom, and the lyricist, Julia—played by Debra Messing—who spearhead the effort to bring the Marilyn Monroe project to life onstage. The pilot explores the pressures, collaborations, rivalries, and sacrifices that accompany the quest to create a major theatrical production.

Katharine McPhee will portray a “beautiful, struggling actress” who is determined to secure the role of Marilyn Monroe in the new Broadway musical. Her character is described as someone willing to go to great lengths to win the coveted part, a storyline that promises dramatic tension and showcases McPhee’s skills as both an actress and singer. Given McPhee’s background in music and performance, the part positions her well to take on a role that combines acting with musical performance.

The Smash pilot brings Broadway spectacle and behind-the-scenes storytelling to network television. With its focus on a Marilyn Monroe musical, the series premise taps into the enduring fascination with Monroe’s life and legacy while also examining the contemporary world of theatrical production. By following an ensemble cast, the show aims to provide multiple perspectives—creative, managerial, and personal—on what it takes to launch a major stage production.

For McPhee, the Smash casting represents a further step in her transition from television competition star to working actor and recording artist. As a former American Idol finalist, she has a strong musical background, which the pilot’s premise is likely to utilize. The role of a determined actress vying for an iconic part could give her opportunities to demonstrate range in both dramatic and musical scenes.

DreamWorks’ involvement and the connection to Steven Spielberg’s original idea give Smash notable industry weight, and Debra Messing’s attachment as Julia brings an established television presence to the project. Together, these elements suggest the pilot will blend high production values with character-driven storytelling. The ensemble nature of the show also leaves room for a diverse cast of characters, each with their own motivations, conflicts, and arcs tied to the creation of the Marilyn musical.

At this stage, Smash exists as a pilot under consideration by NBC. If picked up to series, the show would join a tradition of television programs that explore the craft and commerce of performing arts, offering viewers a mix of backstage drama, musical performance, and the emotional stakes involved in artistic collaboration. For audiences interested in Broadway, the making of a musical, and the personal stories behind performers and creatives, Smash promises a behind-the-curtain look at how a high-stakes show comes together.

Congratulations to Katharine McPhee on her casting in Smash. Her role as a determined actress pursuing the role of Marilyn Monroe should be a strong fit for her talents and could be a significant addition to her acting career if NBC decides to move forward with the series.