John Belushi

Self - Bluto (archive footage)

Stephen Furst

Self - Flounder

Karen Allen

Self - Katy

Peter Riegert

Self - Boone

Bruce McGill

Self - D-Day

Tim Matheson

Self - Otter

Kevin Bacon

Self - Chip Diller

James Widdoes

Self - Robert Hoover

Mark Metcalf

Self - Doug Niedermeyer

John Vernon

Self - Dean Wormer

Verna Bloom

Self - Mrs. Dean Wormer

Douglas Kenney

Self - Writer / 'Stork' (archive footage)

James Daughton

Self - Greg Marmalard (archive footage)

Mary Louise Weller

Self - Mandy Pepperidge (archive footage) (uncredited)

Judith Belushi-Pisano

Self

J.M. Kenny