How many movies have Lawrence Einhorn and Rona Barrett collaborated on?

They have worked on 1 movie together! Their first movie together was Rona Looks at Raquel, Liza, Cher and Ann-Margret (1975) and was their highest rated movie together. They have not worked together since Rona Looks at Raquel, Liza, Cher and Ann-Margret (1975).