Wendell Lawson has only six months to live. Not wanting to endure his last few months of life waiting for the end, he decides to take matters into his own hands and enlists the help of a delusional mental patient to help him commit suicide.

Burt Reynolds
as Wendell Sonny Lawson

Dom DeLuise
as Marlon Borunki

Sally Field
as Mary Ellen

Strother Martin
as Dr. Waldo Kling

David Steinberg
as Marty Lieberman

Joanne Woodward
as Jessica Lawson

Norman Fell
as Dr. Samuel Krugman

Myrna Loy
as Maureen Lawson

Kristy McNichol
as Julie Lawson

Pat O'Brien
as Ben Lawson