After a wealthy dowager who has made a substantial donation to her alma mater suddenly disappears, Nancy Drew sets out to solve the mystery.<br /><br />Bonita Granville - Nancy Drew<br />John Litel - Carson Drew<br />James Stephenson - Challon<br />Frankie Thomas - Ted Nickerson<br />Frank Orth - Captain Tweedy<br />Helena Phillips Evans - Mary Eldredge<br />Renie Riano - Effie Schneider<br />Charles Trowbridge - Hollister<br />Dick Purcell - Keiffer<br />Edward Keane - Adam Thorne (as Ed Keane)<br />Mae Busch - Miss Tyson<br />Tommy Bupp - Spud Murphy<br />Betty Jane Graham - Brinwood Student<br />Stuart Holmes - Telegrapher<br />Vera Lewis - Miss Van Deering<br />Jack Mower - Radio Station Technician<br />John Ridgely - Radio Station Technician<br />Cliff Saum - Farmer<br />Joanne Tree - Brinwood Student with Black Hat<br />Brandon Tynan - Dr. Raymond 'Ray' Spires<br />Lottie Williams - Mrs. Ray Spires<br />Tom Wilson - Brennan, the Gate Guard<br /><br />Director - William Clemens
