Roger Moore as Thomas Grace / Inspector Fulbright

Malcolm McDowell as Bernard Drake / Ian Morrissey

Nancy Allen as Jessie Gallardo

Jackson Davies as Lt. Powers

Eric McCormack as Jack Sullivan

Kevin McNulty as Curruthers

Mina E. Mina as Lawrence Rashad

Don MacKay as Henry Graham

Bernard Cuffling as CNSL Thackery

Wendy Van Riesen as Ingrid

Sheila Paterson as Old Woman

Teryl Rothery as Henry's Secretary

Jessica Van der Veen as '40s Secretary

Scott Bellis as Boris

Roger Cross as McKinnon

Antony Holland as Pathologist

David Glyn-Jones as Printer

Douglas Arthurs as Young Monk

Larry Musser as Herbert March

Roman Podhora as Walter Tilley

Gillian Barber as Art Sycophant

Michael Puttonen as Frank

Akiko Morison as Kissing Woman

Kim Restell as Donna

Marc Baur as Art Guard #1

Terry Markwell as Officer

William Lucking as Captain (uncredited)