잠입자

Alisa Freyndlikh

Stalker's Wife

Aleksandr Kaydanovskiy

Stalker

Anatoliy Solonitsyn

Writer

Mykola Hrynko

Professor

Natalya Abramova

Marta

Faime Jurno

Writer's Companion

Evgeniy Kostin

Lyuger, Owner of Cafe

Raimo Rendi

Police Patrol

Vladimir Zamanskiy

Professor's Telephone Interlocutor (voice) (uncredited)