Robert Downey Jr. as Reed Richmond

Laura Ernst as Susan

Jim Haynie as Father Kelly

Eric Idle as Sonny

Ralph Macchio as Frank, Jr.

Andrea Martin as Bitsy

Leo Rossi as George

Howard Duff as O.M.

Jennifer Rubin as Gracia

Lara Harris as Sister Ursula

James Hong as Frank, Sr.

Allan Arbus as Vincent

John Idle as Yacht Captain

Scotty Atkins as Scotty

Marin Kanter as Tiny Nun

Jon Korkes as Fuzby Robinson

Christopher Mankiewicz as Mailman

Carla Sherman as Waitress

Heidi Swedberg as Sister Agnes