Frederick Weller Brian Wilson Actor Matt Letscher Mike Love Actor Nick Stabile Dennis Wilson Actor Ned Vaughn Al Jardine Actor Ryan Northcott Carl Wilson Actor Alley Mills Audree Wilson Actor Kevin Dunn Murry Wilson Actor Dublin James Dave Marks Actor Jesse Caron Bruce Johnston Actor Amy Van Horne Marilyn Rovell Actor Jad Mager Nik Venet Actor Eric Matheny Chuck Britz Actor Harris Laskawy Voyle Gilmore Actor Clay Wilcox Tommy Schaeffer Actor Anthony Rapp Samuel Pierce Actor Eric Passoja Charles Manson Actor David Polcyn Phil Spector Actor Jeff Bleckner Director Kirk Ellis Writer John Whitman Producer Craig Zadan Executive Producer Neil Meron Executive Producer John Stamos Executive Producer