Cast
Jeanne Crain
Peggy Taylor
Edmund Gwenn
Prof. Henry C. Barnes
Griff Barnett
Dr. Philip Conway
Charles Lane
Prof. Collins (uncredited)
Marion Marshall
Ruth
William Holden
Jason Taylor
Gene Lockhart
Prof. Edward Bell
Randy Stuart
Dorothy
Betty Lynn
Wife
Gene Nelson
Jerry (uncredited)
Ray Walker
Carson (uncredited)
Almira Sessions
Mrs. Landon
Houseley Stevenson
Prof. T.J. Beck
Henri Letondal
Prof. Roland Pavin