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