Suggestions by @jakubduda

Jerome Kern

as Composer in If You have to go

Antonín Dvořák

as Composer in If You have to go

Miroslav Donutil

as Martin Kladrubsky in If You have to go

Jonathan Kite

as STB Officer 3 in If You have to go

Marek Vašut

as STB Officer 2 in If You have to go

Karel Roden

as STB Officer 1 in If You have to go

Jiřina Bohdalová

as Comrade Teacher Voříšková in Czechoslovakia in If You have to go

Brendan Fraser

as Karel Svoboda in If You have to go

Paulina Porizkova

as Lucie Prokopová in If You have to go

Marla Sokoloff

as Sára Wagner in If You have to go

Tereza Brodská

as Sára Wagner in If You have to go

Erika Eleniak

as Monika Novotná/Monica Newman in If You have to go

Kim Novak

as Marry Lendl in If You have to go

Sean Giambrone

as David Novotný/ David Newman in If You have to go

Adrien Brody

as Simon Zabka in If You have to go

Martin Dejdar

as Petr Kopecký in If You have to go

Petr Rychlý

as Tom Novotný/Tom Newman in If You have to go

Tom Selleck

as Jakub Wágner in If You have to go

Petr Rychlý

as Mr. Gimbel in Miracle on 34th Street

Petr Rychlý

as Dr. Rogers at Bellevue in Miracle on 34th Street