Bill Cosby as Leonard

Tom Courtenay as Frayn

Joe Don Baker as Snyderburn

Moses Gunn as Giorgio

Pat Colbert as Allison

Gloria Foster as Medusa

Victoria Rowell as Joan

Anna Thomson as Nurse Carvalho

David Maier as Man Ray

Grace Zabriskie as Jefferson

Hal Bokar as Andy

George Maguire as Madison

John Hostetter as Adams

William Hall as Monroe

George Kirby as Duchamp

Mel A. Tomlinson as Leonard’s Dance Double

Annabel Armour as Gerta

Reggie Waldon as Hylah Jane

Reed Kirk Rahlmann as Young Man In Play

Keith Joe Dick as Head Waiter

Eva Gholson as Maitre D’

Leona Harris as Maid

Cab Covay as Agent In Car

Darlene Barrett as Bikini Woman

Alan Liss as Quincy Adams

Sarah Wagner as Nurse Carvalho Kid

Darry Porter as Nurse Carvalho Kid

Derek Benton as Nurse Carvalho Kid

Alex Adams as Theatre-Goer

Katie McKelley as Theatre-Goer

Rose Wong as Tailor

Harry Wong as Tailor

Obba Babatundé as Bongo Drummer

Larry Alexander as Medusa Guard

Zoltan Gray as Medusa Guard

Eugene Robinson as Medusa Guard

Ted Young as Medusa Guard

Clint Jung as Medusa Guard

Gordon Kimbrough as Medusa Guard

George Adams Jr. as Medusa Guard

Larry Gates as Medusa Guard

David Rowe as Medusa Guard

Chitti Sookvamdee as Chef

Eric Hanes as Chef

Leo Rossi as Chef

Ren Reynolds as Chef

Gianni Giacri as Chef

Bruno Pella as Chef

Regina Waldon as Hylah Jane

Jane Fonda as Jane Fonda (uncredited)