Rick Casorla (Tim Asher) previously appeared as a different character in season two's Antique Angels (1978) and later in season four's Angel's Child (1980) and season five's Angel on a Roll (1981). In addition, his voice was heard as a recording of a deceased character in season three's Haunted Angels (1978).
Anne Francis (Margo) later appears as a different character in season five's Angels of the Deep (1980).