[1] Apart from Chocolate Factory, her only other screen roles were cameos in Clear and Present Danger and Guarding Tess, both in 1994.

[4] Sowle frequently performed in the long-running play Shear Madness at the Kennedy Center, portraying socialite Eleanor Shubert.

In mid-2012, Sowle appeared in a production of Love Letters, opposite actor Larry Storch in Farmville, Virginia, to benefit the Tom Mix Rangers.

Sowle lived in Germany for about 20 years starting in 1960 and had other homes, including one in Maryland (in the Washington, D.C., area).

[6] Sowle ran a free tutoring program for underprivileged children in Washington D.C. for almost 25 years.