Janet Landgard was a regular on The Donna Reed Show, appearing in the role of Karen, Jeff’s girlfriend during Seasons 6, 7 and 8.

Janet Landgard was a regular on The Donna Reed Show, appearing in the role of Karen, Jeff’s girlfriend during Seasons 6, 7 and 8.

Janet Landgard was a regular on The Donna Reed Show, appearing in the role of Karen, Jeff’s girlfriend during Seasons 6, 7 and 8.

Janet Landgard was a regular on The Donna Reed Show, appearing in several episodes in the role of Karen, Jeff’s girlfriend.

Janet Landgard was a regular on The Donna Reed Show during Seasons 6, 7, and 8, playing the part of Karen, Jeff's girlfriend.