Position rack in center of oven; preheat to 350°F. Butter 9-inch-diameter glass pie dish. Coarsely chop almonds in processor.
Add graham cracker crumbs and sugar; process until finely ground.
Add butter; process until evenly moistened. Press crumb mixture onto bottom and up sides of prepared pie dish.
Bake crust until set, about 12 minutes. Cool completely on rack.
Place 2 cups strawberries in medium saucepan. Mash strawberries with potato masher until chunky.
Add sugar, cornstarch, and lemon juice. Stir over medium-high heat until sugar dissolves and mixture boils and thickens, about 3 minutes.
Transfer mixture to bowl. Cool to room temperature. Stir in remaining 3 cups strawberries and grated orange peel. Mound filling in crust. Chill pie until cold and set, at least 2 hours and up to 6 hours.
Using electric mixer, beat cream in large bowl until peaks form.