Dr. Noah Praetorius

Cary Grant

Deborah Higgins

Jeanne Crain

Shunderson

Finlay Currie

Professor Rodney Elwell

Hume Cronyn

Prof. Barker

Walter Slezak

Arthur Higgins

Sidney Blackmer

Dean Lyman Brockwell

Basil Ruysdael

Miss James

Katherine Locke

John Higgins

Will Wright

Sarah Pickett (uncredited)

Margaret Hamilton

Student (uncredited)

Jack Kelly

Mrs. Pegwhistle (uncredited)

Esther Somers

Student (uncredited)

Paul Lees

Student (uncredited)

Leon Tyler

Technician

Carleton Young

Nurse (uncredited)

Jo Gilbert

Business Manager (uncredited)

Lawrence Dobkin

Concertgoer (uncredited)

Tina Blagoi

Dietician

Ann Morrison

Concertgoer (uncredited)

Helen Dickson

Old Lady

Julia Dean

Concertgoer (uncredited)

Bess Flowers

Concertgoer (uncredited)

Robert Haines

Secretary

Gail Bonney

Student Manager

William R. Klein

Concertgoer (uncredited)

Sam Harris

Haskins

George Offerman Jr.

Mabel

Adele Longmire

Student Manager (uncredited)

William Bryant

Trial Spectator (uncredited)

James Carlisle

Coonan (uncredited)

Billy House

Photographer (uncredited)

Al Murphy

Faculty Board Member (uncredited)

John Davidson

Cook (uncredited)

Irene Seidner

Faculty Board Member (uncredited)

Wally Dean

Toy Store Salesman (uncredited)

Parley Baer

Faculty Board Member (uncredited)

Stuart Holmes

Gussie

Joyce Mackenzie

Night Matron (uncredited)

Maude Wallace

Faculty Board Member (uncredited)

Hans Moebus

Bella (uncredited)

Kay Lavelle

Faculty Board Member (uncredited)

Lawrence A. Williams

Car Attendant (uncredited)

Bill Dyer

Student

Billy Mauch

Student

Leon Taylor

Concertgoer (uncredited)

Carl M. Leviness

Doctor

Ray Montgomery

Nurse

Joe Gilbert

Haskins

George Offerman

Haskins

Ted Offenbecker

Concertgoer (uncredited)

Loretta Russell

Cadaver (uncredited)

Carol Varga