 Marion DaviesSylvia Bruce | Sylvia Bruce |
 Bing CrosbyBill 'Billy' Williams | Bill 'Billy' Williams |
 Fifi D'OrsayLili Yvonne | Lili Yvonne |
 Stuart ErwinErnest Pratt Baker, Picture Producer | Ernest Pratt Baker, Picture Producer |
 Ned SparksConroy | Conroy |
 Patsy KellyJill | Jill |
 Bobby WatsonThompson | Thompson |
| TThree Radio RoguesNot listed | Not listed |
| EEddie BartellMember - Three Radio Rogues | Member - Three Radio Rogues |
 Wallace BeeryHimself - Premiere Clip (archive footage) | Himself - Premiere Clip (archive footage) |
 Clara BlandickMs. Perkins | Ms. Perkins |
 Harry BowenBartender | Bartender |
 Nora CecilBriarcroft's Teacher | Briarcroft's Teacher |
| KKen DarbyMember - The King's Men | Member - The King's Men |
| JJon DodsonMember - The King's Men | Member - The King's Men |
 Marie DresslerHerself - Premiere Clip (archive footage) | Herself - Premiere Clip (archive footage) |
 Bud GearySound Technician | Sound Technician |
 Sterling HollowayRadio Remote Technician | Radio Remote Technician |
| JJimmy HollywoodMember - Three Radio Rogues | Member - Three Radio Rogues |
 Jane KeckleyBriarcroft's Geometry Teacher | Briarcroft's Geometry Teacher |
| BBud LinnMember - The King's Men | Member - The King's Men |
 Wilbur MackMan Bringing Sylvia Winnings | Man Bringing Sylvia Winnings |
 Louise MackintoshBriarcroft's History Teachet | Briarcroft's History Teachet |
 Sam McDanielRasputin | Rasputin |
 Robert MontgomeryHimself - Premiere Clip (archive footage) | Himself - Premiere Clip (archive footage) |
 Miki MoritaFlorist | Florist |
| VVesey O'DavorenWaiter in Bar with Message | Waiter in Bar with Message |
| RRad RobinsonMember - The King's Men | Member - The King's Men |
| HHector V. SarnoMexican Waiter | Mexican Waiter |
 Norma ShearerHerself - Premiere Clip (archive footage) | Herself - Premiere Clip (archive footage) |
