Nancy Kelly as Christine Penmark

Patty McCormack as Rhoda Penmark

Henry Jones as Leroy Jessup

Eileen Heckart as Hortense Daigle

Evelyn Varden as Monica Breedlove

William Hopper as Col. Kenneth Penmark

Paul Fix as Richard Bravo

Jesse White as Emory Wages

Gage Clarke as Reginald "Reggie" Tasker

Joan Croydon as Claudia Fern

Frank Cady as Henry Daigle

Frances Bavier as Woman at Dinner Party (uncredited)

Violet N. Cane as Teacher (uncredited)

Vivian Clermont as Mary Beth Musgrove (uncredited)

Shelley Fabares as Margie (uncredited)

Kathy Garver as Rhoda's Classmate (uncredited)

Don C. Harvey as Guard in Hospital (uncredited)

Edna Holland as Saleslady (uncredited)

Dayton Lummis as Doctor (uncredited)

Natalie Masters as Nurse (uncredited)

Patricia Morrow as Ginny (uncredited)

Adele Taylor as Teacher (uncredited)

John Truax as Sergeant (uncredited)