Larry Mathews Larry Mathews 8/15/55 Actor Biography There is no information about «Larry Mathews» yet. Roles Richard Rosebud 'Ritchie' Petrie (Actor) The Dick Van Dyke Show Richard Rosebud 'Ritchie' Petrie (Actor) The Dick Van Dyke Show Richard Rosebud 'Ritchie' Petrie (Actor) The Dick Van Dyke Show Richard Rosebud 'Ritchie' Petrie (Actor) The Dick Van Dyke Show Gallery