Jay Underwood as Sonny Bono

Renee Faia as Cher

Laura Johnson as Georgia LaPierre

Christian Leffler as Phil Spector

Walter Franks as Little Richard

Bruce Nozick as Art Rupe

Marie Wilson as Mary Bono

Tom Frykman as David Letterman

Matthew Chaffee as Brian Stone

Thomas Tofel as Charlie Green

Carl Gilliard as Bumps Blackwell

Susan Ilene Johnson as Miriam

Christine Pollei as Melissa (as Christine Brent)

Shaun Duke as Enzo (as Duke Moosekian)

Vinny Argiro as Tony

Larry Milburn as Beefy Guy

Perris Knight as Sandy

Phill Miller as Abe Lastfogel

Mahryah Shain as David Geffen

Maurice Chasse as Chastity Director

Jess Harnell as Sonny Bono (singing voice)

Kelly van Hoose Smith as Cher (singing voice)

Jim Pirri as Buddy Black