Steve Martin as Larry

Charles Grodin as Warren

Judith Ivey as Iris

Steve Lawrence as Jack

Robyn Douglass as Danielle

Merv Griffin as Himself

Joyce Brothers as Herself

Candi Brough as Schneider Twin

Randi Brough as Schneider Twin

Julie Payne as Rental Agent

Madison Arnold as Lonely Cop

Roger Robinson as Greeting Card Supervisor

Dan P. Hannafin as Park Guard

Joan Sweeny as Girl in Blood Bank

Nicholas Mele as Maitre D'

Leon Jones as Traffic Cop

Richard Delmonte as Raul

Leslie Wing as Girl in Bar

Helen Verbit as Woman in Window

Kenneth O'Brien as Hold Up Man

Erika Hiller as Girl in Bank

Karyn Harrison as Couple in Bar

Hunt Block as Couple in Bar

Alan Leach as Bookstore Man

Ed Beheler as Jimmy Carter Look-Alike

Jerry Grayson as Man Who Gets Shot

Michael Greer as Counterman

Georges Saurel as Waiter

Erik Holland as Ship's Officer

Hugh Douglas as Narrator (voice)

Sarah Abrell as Bride

Ken Hixon as Guest in Church

Rance Howard as Minister

Billy James as Bridge Jumper #2

José Martínez as Gang Member

Jade Bari as Cabbie

Gloria Irizarry as Woman at Elevated

Beau Starr as 2nd Cop

Dominic Barto as 2nd Hold-Up Man

Charles DeVries as Ship's Maitre D'

Santos Morales as Janitor

Jolina Collins as Janitor

Lena Pousette as Frieda

Charlie Laiken as Man on Roof

Steve Hurwitz as Man on Roof

Hardy Rawls as Man on Roof

Doug Smith as Man on Roof

Tom Kubiak as Man on Roof

Joanne Hahn as Model at Party

Robina Suwol as Girl at Party

Stephanie Segal as Agent at Party

George Tyne as Director at Party

Tony Giorgio as Writer at Party

Eb Lottimer as Groom

Dan Moody as Spaceman

Badja Djola as Native

Richard Sarradet as Spaceman Lover

Susan Spilker as Spacewoman Lover

Matthew Faison as Lonely Guy

Martin Beck as Lonely Guy

Charles Bouvier as Lonely Guy

Leslie Bevis as Seven Deadly Sins

Lamya Derval as Seven Deadly Sins

Martina Finch as Seven Deadly Sins

Madonna Fowler as Seven Deadly Sins

Jenny Gago as Seven Deadly Sins

Margo Kelly as Seven Deadly Sins

Marie Laurin as Seven Deadly Sins

Loni Anderson as Herself (uncredited)

Paul Benedict as Dr. Zook (voice) (uncredited)

Ray Girardin as Bridge Jumper (uncredited)

Bob Harks as Bar Patron (uncredited)

Allan Kolman as Lonely Ship Passenger (uncredited)

Angel Ramirez Jr. as Gang Member (uncredited)

Mike Tremont as Single Man (uncredited)