Peter Graves as Jim Phelps

Martin Landau as Rollin Hard

Barbara Bain as Cinnamon Carter

Greg Morris as Barney Collier

Peter Lupus as Willy Armitage

Vincent Gardenia as Vito Lugana

Eduardo Ciannelli as Jack Rycher

Nicholas Colasanto as Jimmy Bibo

Paolo Gozlino as Frank Wayne

Paul Lambert as Al Morgan

Stuart Nisbet as Dr. Emerson Reese

Vic Perrin as Cheever

Robert Phillips as Johnny

Joan Staley as Ginny

Nelson Olmsted as Janitor

Lucetta Kallis as Nurse