Judge Reinhold as Jack Issel

Lori-Nan Engler as Rachel Helmes

Eddie Albert as Pete Helmes

Merritt Butrick as John Hudson

Ron Frazier as Bob Nixon

Richard Masur as Max Landsberger

Rick Moranis as Howard Gross

Don Novello as Sal

Michael O'Donoghue as Scott Dantley

Jane Seymour as Jane Caldwell

Wallace Shawn as Mike Hoover

Bruce Wagner as Al Kennedy

Danny DeVito as Frank Stedman

Ron James as Mark Rabinovich

John Kapelos as General Sepulveda

Brian Doyle-Murray as Colonel Tolliver

George Coe as Senator Issel

Diane Robin as Gross' Secretary

Don King as INC Executive

Hrant Alianak as President Sanchez

Lee Broker as Mover

Howard Busgang as Medic

Tom Butler as Security Monitor

Jeremiah S. Chechik as Hysterical Man

Nancy Cser as Dantley's Secretary

Billy Curtis as Reverend Lynch

William B. Davis as University Dean

Denis Forest as Rich

Kathleen Laskey as Miss Kline

Michael McManus as Branch Kipp

Maxine Miller as Stedman's Secretary

Annie McAuley as Max's Girl

Catherine McClenahan as Max's Girl

Anne Lockhart as Secretary (uncredited)

Scott Thompson as Man Outside Office Building (uncredited)

Dominic Cuzzocrea as Reporter #1

Louis Di Bianco as Workman

Carolyn Dunn as Yonge's Secretary

Elizabeth Irwin as 'America A.M.' Host

Wally Kanin as Security Monitor #4

Marvin Karon as Art

Derek Keurvorst as Fundraiser

Robin Menken as Marge

Myron Natwick as TV Anchorman

Laura Press as V.P. Secretary

Elizabeth Shepherd as Mrs. Issel

Ralph Small as Security Monitor

Don McManus as Albert