Cast from Young Ideas

Susan Peters

Susan Evans

Herbert Marshall

Prof. Michael Kingsley

Mary Astor

Josephine Evans

Elliott Reid

Jeff Evans

Richard Carlson

Tom Farrell

Allyn Joslyn

Adam Trent

Dorothy Morris

Co-ed

Frances Rafferty

Co-ed

George Dolenz

Pepe

Emory Parnell

Judge Canute J. Kelly

Grady Sutton

Undetermined Minor Role (unconfirmed)

Frank Faylen

Reporter (uncredited)

Ava Gardner

Co-ed (uncredited)

Noel Neill

Co-ed (uncredited)

Charles Arnt

Station Master (uncredited)

William Bishop

French Lieutenant (uncredited)

Paul E. Burns

Gardener-Caretaker (uncredited)

Lois Collier

Co-ed (uncredited)