Parenthoo is a 1989 film starring Steve Martin, Dianne Wiest, Dennis Dugan, Mary Steenburgen, Jason Robards, Rick Moranis, Tom Hulce, Martha Plimpton, Keanu Reeves, Harley Jane Kozak, Eileen Ryan, Helen Shaw, Jasen Fisher, Alisan Porter, Zachary LaVoy, Ivyann Schwan and Joaquin Phoenix (as Leaf Phoenix).