Harvey (1972)
Overview
Elwood P. Dowd's constant companion is Harvey, a six-foot tall invisible rabbit. To his sister, his obsession with Harvey has been a thorn in her plans to marry off her daughter. However, when she decides to put Elwood in a mental institution, a mix-up occurs, and she finds herself committed instead. It's now up to Elwood and "Harvey" to straighten out the mess.
Cast
James Stewart, Helen Hayes, Marian Hailey, Dorothy Blackburn, Madeline Kahn, Jesse White, Richard Mulligan, John McGiver