Usherette (uncredited)
多数の映画で共演を続けてきたドンとリーナは、世間から結婚まで噂される人気のスターカップル。しかし実はリーナのわがままな態度にドンは辟易気味。やがて撮影中の新作がサイレントからトーキーへと製作方針を変え、ドンは声質がよくないリーナに代わって、知り合ったばかりであるコーラスガール、キャシーに歌の吹き替えを頼む。出来あがった映画は大好評だが、意地悪なリーナはその手柄を独り占めしようとする。
Doris Kaye
G-men grab a gangster and a governor thanks to a clerk in the fingerprints division.
Cynthia
A ghost helps the Bowery Boys capture a gang of crooks led by a mad doctor.
Myrtle (uncredited)
A federal agent and his partner track uranium-ore hijackers with radar.
A stranded carnival dancer takes on a corrupt political boss when she marries into small-town society.
Conceited singer Garry Mitchell refuses to renew his radio contract, so agent Doug Blake decides to find a new personality to replace Garry. In New York, he finds Martha Gibson, a single mother with a great voice. He arranges for her to move to Hollywood, but then has a problem trying to sell her to the show's sponsor. Doug tries every trick he can think of to make Martha a star, and as the two work more closely, he falls in love with her. Complicating matters further is when Martha meets and becomes attracted to Garry.
