T.S. Garp
Helen Holm
Jenny Fields
Roberta Muldoon
Mr. Fields
Mrs. Fields
The Hooker
Young Garp
John Wolfe
Dean Bodger
Michael Milton
Duncan Garp
Walt Garp
Stew Percy
Midge Percy
Ernie Holm
Cushie
Pooh
Young Cushie
Young Pooh
First Coach
Opposing Coach
Referee
Wrestling Opponent
Heavyweight
Bosworth (as Christopher Farr)
Zipper Boy
Infant Garp
Boy Babysitter
Little Jenny
Helicopter Pilot (as Al Cerullo Jr.)
Ellen James
Woman Candidate
Woman Speaker (as Jeanne De Baer)
Stephen
Rachel
Woman with Book (as Isabell Monk)
Man in Tree
Fireman
Real Estate Lady
Babysitter
Speeding Plumber
Marge Tallworth
Infant Duncan
Duncan at 2 Years
Chief Ellen Jamesian
Randy
Laurel
Alice
Flying Baby Garp
Guest (uncredited)
Baby Garp (uncredited)
Party Guest (uncredited)
Pilot (uncredited)
Kid (uncredited)
Rally Member (uncredited)
Wrestler (uncredited)
(uncredited)
Heckler (uncredited)
Ellen Jamesian (uncredited)