Only the Lonely

John Candy

Danny Muldoon

Maureen O'Hara

Rose Muldoon

Ally Sheedy

Theresa Luna

Kevin Dunn

Patrick Muldoon

Milo O'Shea

Doyle

Bert Remsen

Spats

Anthony Quinn

Nick Acropolis

Jim Belushi

Salvatore Buonarte (as James Belushi)

Joe Greco

Johnny Luna

Marvin J. McIntyre

Father Strapovic

Macaulay Culkin

Billy Maldoon

Kieran Culkin

Patrick Muldoon Jr.

Allen Hamilton

O'Neal

Teri McEvoy

Susan Muldoon

Bernie Landis

Larry

Les Podewell

Jack