Carol Lynley (Janet Willard)
Brandon de Wilde (Arthur Bartley)
MacDonald Carey (Maj. Malcolm Bartley, Ret.)
Marsha Hunt (Jessie Bartley)
Warren Berlinger (Ernie)
Mary Young (Aunt Bidda)
William Schallert (Vice President)
Michael Gainey (Hobie)
Jenny Maxwell (Hexion)
June C. Ellis (Woman In Car)
Vaughan Taylor (Prof. Willard)
Buck Class (Axel)
Nina Shipman (Lillian Bartley)
Roberta Shore (Cherie)