Burt Reynolds
Wendell Sonny Lawson
Dom DeLuise
Marlon Borunki
Strother Martin
Dr. Waldo Kling
David Steinberg
Marty Lieberman
Joanne Woodward
Jessica Lawson
Norman Fell
Dr. Samuel Krugman
Kristy McNichol
Julie Lawson
Robby Benson
Father Dave Benson
Carl Reiner
Dr. James Maneet
Louise LeTourneau
Receptionist
Robert Rothwell
Limousine Driver
Patrick Moody
Old Man's Son
James Best
Pacemaker Patient
Harry Caesar
Hospital Orderly
Peter Gonzales Falcon
Latin Lover (as Peter Gonzales)
Janice Carroll
Ballet Teacher
Jerry Fujikawa
Japanese Gardener
Queenie Smith
Old Lady in Driving School Car
Jean Coulter
Driving School Instructor