人言可畏

加里·格兰特

Dr. Noah Praetorius

Jeanne Crain

Deborah Higgins

芬利·柯里

Shunderson

休姆·克罗宁

Prof. Rodney Elwell

Walter Slezak

Prof. Barker

Sidney Blackmer

Arthur Higgins

Basil Ruysdael

Dean Lyman Brockwell

Katherine Locke

Miss James

玛格丽特·汉密尔顿

Sarah Pickett (uncredited)

Jack Kelly

Student (uncredited)

Paul Lees

Student (uncredited)

Leon Tyler

Student (uncredited)