Richard Widmark

Ray Biddle

Linda Darnell

Edie Johnson - Mrs. John Biddle

Sidney Poitier

Dr. Luther Brooks

Stephen McNally

Dr. Dan Wharton

Mildred Joanne Smith

Cora Brooks

Harry Bellaver

George Biddle

Stanley Ridges

Dr. Sam Moreland

Dots Johnson

Lefty Jones - Orderly

Robert Adler

Louie - Assistant Deputy in Hospital Prison Ward (uncredited)

Ernest Anderson

School Teacher (uncredited)

Jessie Arnold

Woman (uncredited)

Eleanor Audley

Wife (uncredited)

Betsy Blair

Telephone Operator (uncredited)

Harry Carter

Orderly (uncredited)

Ossie Davis

John Brooks (uncredited)

Ruby Dee

Connie Brooks (uncredited)

Ralph Dunn

Sam (uncredited)

Elzie Emanuel

Student (uncredited)

Francine Everett

Woman (uncredited)

Bert Freed

Rocky Miller - Beaver Canal Resident (uncredited)