A Girl In A Million is now available at ZeusDVDs.com.  Here is the original New York Times review from 1949:

The producing and writing team of Muriel and Sydney Box, a pair of expert hands who have given ample proof that they know how to manipulate a story and dialogue apparently found the situations in "A Girl In a Million" a mite too light too handle. For the British-made comedy, which began a stand at the Little Carnegie on Saturday, is a trifle blown up beyond its natural proportions. Fortunately, the producers have the services of a cast which does nobly by their writing. Several of the scenes are genuinely funny and the principals project the humorous lines casually and effectively. But these sequences are infrequent and hardly compensate for a transparent and slowly paced yarn.

Working on the theory that silence is golden—in a woman, that is—the producer-scenarists have fashioned a tale about a researcher, who, having managed to shed a voluble and nagging spouse, finds surcease in work at an isolated and entirely bachelor laboratory. Into this scientific scene is dumped a pretty miss who has lost her voice, a disability brought on by shock following the torpedoing of the ship on which she was being evacuated to America. Love, it is obvious, will burgeon. It does, despite the misogynist's attempts to fight it. Their marriage is not blissful since he finds he'd like to hear his bride say she loves him. Another shock ensues and the lady begins to talk and talk and talk. They have a spat, naturally, and she leaves him. And, when she summons him finally, she is feigning dumbness, a lesson that has taken her a tediously long time to learn.

Hugh Williams' performance as the scientist is competently grim and doleful. As his helpmate, Joan Greenwood is engaging when she is mute and adequate when she begins using her vocal chords. Basil Radford and Naunton Wayne, the dead-panned cricket enthusiasts of "The Lady Vanishes," are again a comic team as Williams' laboratory sidekicks. They have been handed the film's funniest bits and their deliveries are in the best tradition. Despite their efforts, however, "A Girl In a Million" is not a picture in a million. It is merely a mountain that should have been a molehill.

A GIRL IN A MILLION, original story and screen play by Muriel and Sydney Box; directed by Francis Searls; a British-made film produced by Muriel and Sydney Box and presented here by Oxford Films.
Tony . . . . . Hugh Williams
Gay . . . . . Joan Greenwood
Prendergast . . . . . Basil Radford
Fotheringham . . . . . Naunton Wayne
Peabody . . . . . Wylie Watson
Molly . . . . . Yvonne Owen
Colonel Sultzman . . . . . Hartley Power
Policeman . . . . . Edward Lexy
Pianist . . . . . Eileen Joyce
Pavilion Manager . . . . . James Knight
Attendant . . . . . Charles Rolfe
Nurse . . . . . Gwen Clark
Sister . . . . . Millicent Wolf
Judge . . . . . Aubrey Mallalieu

A Girl In A Million now available at ZeusDVDs.com