Cary Grant

Dr. Noah Praetorius

Jeanne Crain

Deborah Higgins

Finlay Currie

Shunderson

Hume Cronyn

Prof. Rodney Elwell

Walter Slezak

Prof. Barker

Sidney Blackmer

Arthur Higgins

Basil Ruysdael

Dean Lyman Brockwell

Katherine Locke

Miss James

Margaret Hamilton

Sarah Pickett (uncredited)

Jack Kelly

Student (uncredited)

Paul Lees

Student (uncredited)

Leon Tyler

Student (uncredited)

Jo Gilbert

Nurse (uncredited)

Tina Blagoi

Concertgoer (uncredited)

Helen Dickson

Concertgoer (uncredited)

Bess Flowers

Concertgoer (uncredited)

Robert Haines

Concertgoer (uncredited)

Sam Harris

Concertgoer (uncredited)

Gail Bonney

Dean's Secretary (uncredited)

William Bryant

Student Manager (uncredited)

James Carlisle

Trial Spectator (uncredited)

Julia Dean

Old Lady (uncredited)

John Davidson

Faculty Board Member (uncredited)

Wally Dean

Faculty Board Member (uncredited)

Stuart Holmes

Faculty Board Member (uncredited)

Hans Moebus

Faculty Board Member (uncredited)

Lawrence A. Williams

Faculty Board Member (uncredited)

Lawrence Dobkin

Business Manager (uncredited)

Bill Dyer

Car Attendant (uncredited)

Billy House

Coonan (uncredited)

Kay Lavelle

Bella (uncredited)

Carl M. Leviness

Concertgoer (uncredited)

Adele Longmire

Mabel (uncredited)

Joyce Mackenzie

Gussie (uncredited)

Ray Montgomery

Doctor (uncredited)

Ann Morrison

Dietician (uncredited)

Al Murphy

Photographer (uncredited)

George Offerman, Jr.

Uriah Haskins (uncredited)

Parley Baer

Toy Store Salesman (uncredited)

Loretta Russell

Concertgoer (uncredited)

Irene Seidner

Cook (uncredited)

Esther Somers

Mrs. Pegwhistle (uncredited)

Carol Varga

Cadaver (uncredited)

Maude Wallace

Night Matron (uncredited)

Will Wright

Uncle John Higgins (uncredited)

Carleton Young

Technician (uncredited)