Farewell Mister Grock

Adrien Wettach, aka 'Grock'

Countess Barinoff

Aunt Pauline

Italian child Alphonso

Mr. Durand

Bourquain

Madame Wettach

Adelaide, his daughter

Father Wattach

Adrian, young man

Adrien, child

Lord Peter

Kurt Heller

Jeannot

Wittzec

Roberto Wittez / Wetzel

Roberta

Fracassa

Partner of Grock / Antonek

Self

Writing

Spectator (uncredited)

Waitress (uncredited)

Circus Valet (uncredited)