The gold records on display in Andy's home appear to be Pat Boone's own, as they all bear the Dot label, which was Boone's recording company at the time.
This was Jeff Corey's second big-screen appearance since being blacklisted; he was hired at the insistence of his former pupil, Pat Boone. Despite their widely divergent political views, the two men remained lifelong friends and Corey frequently expressed his gratitude to Boone for reviving his acting career.
Barbara Eden and Steve Forrest had co-starred with Elvis Presley three years earlier in Les rôdeurs de la plaine (1960) and would work together again 17 years later in the syndicated two-part TV movie Condominium (1980).