- Nicholas Burns - Victor Kugler
- Liza Sadovy - Mrs. Stoppelman
- Sebastian Armesto - Max Stoppelman
- Laurie Kynaston - Casmir
- Daniel Donskoy - Karl Silberbauer
- Dylan Edwards - Isaac Schwarz
- Sarah T. Cohen - Maya Schwarz
- Stephen Liebman - Richard
- Anna Joan - Sophie
- Robert Dölle - Mueller
- Rosie Fellner - Therese
- Andy Nyman - Hermann Van Pels
- Caroline Catz - Auguste Van Pels
- Preston Nyman - Kuno Van Der Horst
- Bill Milner - Tonny Ahlers
- Hanna van Vliet - Frieda
- Victor McGuire - Grootendorst
- James Beaumont - Officer Leuwe
- James Beaumont - Lyman
- Jim High - Bram Becker
- Sinéad Phelps - Anka
- Sytske van der Ster - Laura Kugler
- Sarah Winter - Liesje
- Noah Taylor - Dr. Pfeffer
- Margaux Billard - Stella Soppelman
- Jessica Boone - Esther
- Maya Gorkin - Corry
- Roman Horák - Nazi Guard Theatre
- Philipp Schenker - Nazi Guard Nursery
- Sean Hart - Willem
- Tyrone Huntley - Singer
- Pepijn Korfage - Street Cleaning German Solder #1
- Joshua Rubin - Professor Tobias Berman
- Alex Figueiredo - Cas' Date
- Michal Roneš - Clerk (Miep's Wedding)
- Helen Grady - Mrs. van der Horst
- Sebastian Jacques - Passerby
- Michael Pitthan - Officer Roosevelt
- Ben Esler - Father Dirksen
- Tom Stourton - Daniel Van Dijk
- Mohana Rajagopal - Mrs. Reddy
- Eleanor Tomlinson - Tess
- Lisa Karlström - Carlotta "Lotte" Kaletta
- Abigail Rice - Dora
- Nick Alexander Pasveer - Dutch Nazi #1
- Gregory Gudgeon - Walter
- Gregory Gudgeon - Mr. Joop
- Václav Jiráček - Dutch Nazi #2
- Eliza Roth - Nathan's Foster Mom
- Noah Leggott - Young Cas
- Cosima Shaw - Genofeva
- George Cobell - Alfred Cohen
- Veronika Bellová - Katerina
- Victor Dohlsten - Green Policeman
- Sam Barlien - Male Student in Woods
- Brian Caspe - Laurens
- Charleen Elea - Young Woman Who Takes Baby
- Doortje Kleinrensink - Dutch Social Worker
- Anssi Lindström - Van
- Tadeáš Moravec - Green Policeman #2
- Andrew Van Wilpe - Jacob
- Claudia Vašeková - Austrian Social Worker
- Vicki Pepperdine - Gerdi Lange
- Jenn Kirk - Frannie
- Sean Brodeur - Lou
- Laura Baranik - Katerina
- Kryštof Bartoš - German Soldier (Check Point 1)
- Aleš Bílík - SS Officer (Curfew Caller)
- Daniel-Frantisek Kamen - Church Bell German Soldier
- Arnost Kraus - SS Officer at Razzia
- Andrea Miltner - Cheese Lady
- Jiří Vojta - Outdoor Market Customer
- Hugo Bolton - German Soldier
- Nathan Macchioni - Johan
- Alyssa Margarite Jacobson
- Ben Esler
- Guy Riedel
- Susanna Fogel
- Avi Nir
- Kate Wagener
- Cris Olariu
- Katie O'Hara
- Ariel Marx
Noah Taylor hace el papel de Dr. Pfeffer.
Victor McGuire interpreta a Grootendorst en la serie.
Bel Powley interpreta a Miep Gies en la serie.
Joe Cole hace el papel de Jan Gies.
Amira Casar interpreta a Edith Frank en la serie.
Billie Boullet hace el papel de Anne Frank.
Ashley Brooke interpreta a Margot Frank en la serie.
Liev Schreiber interpreta a Otto Frank en la serie.
Ian McElhinney interpreta a Johannes Kleiman en la serie.
Sally Messham interpreta a Bep Voskuijl en la serie.
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