Peggy Taylor

Jeanne Crain

Acting

Jason Taylor

William Holden

Acting

Prof. Henry C. Barnes

Edmund Gwenn

Acting

Prof. Edward Bell

Gene Lockhart

Acting

Dr. Philip Conway

Griff Barnett

Acting

Dorothy

Randy Stuart

Acting

Wife

Betty Lynn

Acting

Ruth

Marion Marshall

Acting

Jeanne

Pati Behrs

Acting

Prof. Collins (uncredited)

Charles Lane

Acting

Jerry (uncredited)

Gene Nelson

Acting

Carson (uncredited)

Ray Walker

Acting

Mrs. Landon

Almira Sessions

Acting

Prof. T.J. Beck

Houseley Stevenson

Acting

Prof. Roland Pavin

Henri Letondal

Acting