Bill Pohlad Director John Cusack Older Brian Wilson Actor Paul Dano Young Brian Wilson Actor Elizabeth Banks Melinda Ledbetter Actor Paul Giamatti Dr. Eugene Landy Actor Jake Abel Mike Love Actor Bill Camp Murry Wilson Actor Joanna Going Audree Wilson Actor Dee Wallace Rosemary Actor Kenny Wormald Dennis Wilson Actor Erin Darke Marilyn Wilson Actor Brett Davern Carl Wilson Actor Graham Rogers Al Jardine Actor Oren Moverman Executive Producer Michael A. Lerner Screenwriter Claire Rudnick Polstein Producer John Wells Producer Ann Ruark Executive Producer Jim Lefkowitz Executive Producer Robert Yeoman Cinematographer Dino Jonsäter Film Editing Atticus Ross Original Music Keith P. Cunningham Production Design Danny Glicker Costume Design Andrew Max Cahn Art Director Maggie Martin Set Decoration Kerry Barden Casting Paul Schnee Casting