Robin Williams as Jack Moniker

Peter O'Toole as Anthony Cloyden Hayes

Rick Moranis as Barry Nye

Jimmy Cliff as Ernest Reed

Twiggy as Phillipa Lloyd

Adolph Caesar as Solomon Grundy

Eugene Levy as Barry Steinberg

Joanna Cassidy as Terry Hamlin

Andrea Martin as Linda White

Brian Doyle-Murray as Voit Zerbe

Joe Flaherty as Pilot

Steven Kampmann as Randy White

Robin Duke as Mary Lou

Mary Gross as Jackie

Simon Jones as Toby Prooth

Antoinette Bower as Pamala

Peter Bromilow as Nigel

Verna Hampton as Pansy Brown

Louise Bennett as Portia

Bunny Melville as Tree

Wilburn 'Squigley' Cole as Flamboyant

Ansel Collins as Flamboyant

Bertram 'Ranchie' McLean as Flamboyant

Christopher Meredith as Flamboyant

Earl 'Chinna' Smith as Flamboyant

Sydney Wolfe as Flamboyant

Carey Lowell as Fashion Model

Alecia Munn as Fashion Model

Bill W. Curry as Helmut

Richard Wiese as Christopher

Bobby Ghisays as Shiek

Louis Zorich as Swiss Buissnessman

Bruce McGill as Dave the Fireman

Kaaren Ragland as Screaming Woman at Fire

Victor Chambers as Blackjack Dealer

Trenton Allen as Waiter at Royal St. Nick's

Carl Bradshaw as Cab Driver

Kashka as Jail Cell Guard

Charles Hyatt as Mr. Banks

Leonie Forbes as Mrs. Geddes

Bagga Brown as Gundy's Bodyguard

Keith Noel as Gundy's Bodyguard

Cathy Levy as Zerbe's Girlfriend

Anna Upstrom as Zerbe's Girlfriend

Roberta Browne as Ernest's Girlfriend

Jheanall Azan as Friends & Rebels

Maureen Chambers as Friends & Rebels

Winston Clarke as Friends & Rebels

Fleurette Harris Forrest as Friends & Rebels

Ann-Marie Fuller as Friends & Rebels

Gary Harvey as Friends & Rebels

Billy Wilmott as Friends & Rebels

Arthur Brown as Opposition Leader

Anne Ramis as Travel Agent

Joe Dorsey as Data Processing Supervisor

Jay Bressler as Fire Commander

Erica Mann as Girl in Singles Bar

Michael London as Soldier (uncredited)