 Cary GrantNoah Praetorius | Noah Praetorius |
 Jeanne CrainDeborah Higgins | Deborah Higgins |
 Finlay CurrieShunderson | Shunderson |
 Hume CronynRodney Elwell | Rodney Elwell |
 Walter SlezakBarker | Barker |
 Sidney BlackmerArthur Higgins | Arthur Higgins |
 Basil RuysdaelLyman Brockwell | Lyman Brockwell |
 Katherine LockeMiss James | Miss James |
 Margaret HamiltonSarah Pickett (uncredited) | Sarah Pickett (uncredited) |
 Jack KellyStudent (uncredited) | Student (uncredited) |
| PPaul LeesStudent (uncredited) | Student (uncredited) |
 Leon TylerStudent (uncredited) | Student (uncredited) |
| JJo GilbertNurse (uncredited) | Nurse (uncredited) |
| TTina BlagoiConcertgoer (uncredited) | Concertgoer (uncredited) |
| HHelen DicksonConcertgoer (uncredited) | Concertgoer (uncredited) |
 Bess FlowersConcertgoer (uncredited) | Concertgoer (uncredited) |
| RRobert HainesConcertgoer (uncredited) | Concertgoer (uncredited) |
| SSam HarrisConcertgoer (uncredited) | Concertgoer (uncredited) |
 Gail BonneyDean's Secretary (uncredited) | Dean's Secretary (uncredited) |
 William BryantStudent Manager (uncredited) | Student Manager (uncredited) |
| JJames CarlisleTrial Spectator (uncredited) | Trial Spectator (uncredited) |
 Julia DeanOld Lady (uncredited) | Old Lady (uncredited) |
 John DavidsonFaculty Board Member (uncredited) | Faculty Board Member (uncredited) |
| WWally DeanFaculty Board Member (uncredited) | Faculty Board Member (uncredited) |
 Stuart HolmesFaculty Board Member (uncredited) | Faculty Board Member (uncredited) |
| HHans MoebusFaculty Board Member (uncredited) | Faculty Board Member (uncredited) |
| LLawrence A. WilliamsFaculty Board Member (uncredited) | Faculty Board Member (uncredited) |
 Lawrence DobkinBusiness Manager (uncredited) | Business Manager (uncredited) |
| BBill DyerCar Attendant (uncredited) | Car Attendant (uncredited) |
 Billy HouseCoonan (uncredited) | Coonan (uncredited) |
