Patty Duke and Melissa Gilbert in Family of Strangers (1993)

Melissa Gilbert in Little House on the Prairie (1974)

Melissa Gilbert and Pamela Roylance in Little House on the Prairie (1974)

Melissa Sue Anderson, Melissa Gilbert, Michael Landon, Karen Grassle, Sidney Greenbush, and Rachel Lindsay Greenbush in Little House on the Prairie (1974)

Melissa Gilbert and Cyril O'Reilly in Splendor in the Grass (1981)

Melissa Gilbert in Splendor in the Grass (1981)

Melissa Sue Anderson and Melissa Gilbert in Little House on the Prairie (1974)

Melissa Gilbert and Sara Gilbert in The Talk (2010)

Melissa Gilbert and Matthew Lawrence in Joshua's Heart (1990)

Melissa Gilbert and Tim Matheson in Joshua's Heart (1990)

Melissa Gilbert and Ashleigh Aston Moore in Family of Strangers (1993)

Melissa Gilbert and Eric McCormack in Family of Strangers (1993)

Melissa Gilbert and Chuck Shamata in Family of Strangers (1993)

Melissa Gilbert in Family of Strangers (1993)

Melissa Gilbert and Gordon Clapp in Family of Strangers (1993)

Melissa Gilbert in Christmas Miracle in Caufield, U.S.A. (1977)

Melissa Gilbert and Jeremy Sheffield in Her Own Rules (1998)

Melissa Gilbert, Tim Matheson, and Matthew Lawrence in Joshua's Heart (1990)

Melissa Gilbert in Dying to Remember (1993)

Melissa Gilbert, Lee Remick, and Lance Kerwin in The Snow Queen (1985)

Rosanna Arquette and Melissa Gilbert in Switched at Birth (1999)