Cary Grant

Character: Dr. Noah Praetorius

Jeanne Crain

Character: Deborah Higgins

Finlay Currie

Character: Shunderson

Hume Cronyn

Character: Prof. Rodney Elwell

Walter Slezak

Character: Prof. Barker

Sidney Blackmer

Character: Arthur Higgins

Basil Ruysdael

Character: Dean Lyman Brockwell

Katherine Locke

Character: Miss James

Margaret Hamilton

Character: Sarah Pickett (uncredited)

Jack Kelly

Character: Student (uncredited)

Paul Lees

Character: Student (uncredited)

Leon Tyler

Character: Student (uncredited)

Jo Gilbert

Character: Nurse (uncredited)

Tina Blagoi

Character: Concertgoer (uncredited)

Helen Dickson

Character: Concertgoer (uncredited)

Bess Flowers

Character: Concertgoer (uncredited)

Robert Haines

Character: Concertgoer (uncredited)

Sam Harris

Character: Concertgoer (uncredited)

Gail Bonney

Character: Dean's Secretary (uncredited)

William Bryant

Character: Student Manager (uncredited)

James Carlisle

Character: Trial Spectator (uncredited)

Julia Dean

Character: Old Lady (uncredited)

John Davidson

Character: Faculty Board Member (uncredited)

Wally Dean

Character: Faculty Board Member (uncredited)

Stuart Holmes

Character: Faculty Board Member (uncredited)

Hans Moebus

Character: Faculty Board Member (uncredited)

Lawrence A. Williams

Character: Faculty Board Member (uncredited)

Lawrence Dobkin

Character: Business Manager (uncredited)

Bill Dyer

Character: Car Attendant (uncredited)

Billy House

Character: Coonan (uncredited)

Kay Lavelle

Character: Bella (uncredited)

Carl M. Leviness

Character: Concertgoer (uncredited)

Adele Longmire

Character: Mabel (uncredited)

Joyce Mackenzie

Character: Gussie (uncredited)

Ray Montgomery

Character: Doctor (uncredited)

Ann Morrison

Character: Dietician (uncredited)

Al Murphy

Character: Photographer (uncredited)

George Offerman, Jr.

Character: Uriah Haskins (uncredited)

Parley Baer

Character: Toy Store Salesman (uncredited)

Loretta Russell

Character: Concertgoer (uncredited)

Irene Seidner

Character: Cook (uncredited)

Esther Somers

Character: Mrs. Pegwhistle (uncredited)

Carol Varga

Character: Cadaver (uncredited)

Maude Wallace

Character: Night Matron (uncredited)

Will Wright

Character: Uncle John Higgins (uncredited)

Carleton Young

Character: Technician (uncredited)