Suggestions by @blackvoid

The Phantom Carriage

as Influences in Richman’s: Hugo Strange (Horror)

The Phantom Carriage

as 1920s in Horror Movies Sorted by Decades

House of Wax (1953)

as Influences in Richman’s: Hugo Strange (Horror)

The Cabinet of Dr. Caligari

as Influences in Richman’s: Hugo Strange (Horror)

The Human Centipede

as Influences in Richman’s: Hugo Strange (Horror)

Tusk (2014 film)

as Influences in Richman’s: Hugo Strange (Horror)

Re-Animator

as Influences in Richman’s: Hugo Strange (Horror)

The Fly (1986)

as Influences in Richman’s: Hugo Strange (Horror)

Michael Chiklis

as Bob Castro in Richman’s: Hugo Strange (Horror)

Michael Chernus

as Bob Castro in Richman’s: Hugo Strange (Horror)

Willa Fitzgerald

as Darcy Purnelli in Richman’s: Hugo Strange (Horror)

Jack O'Connell

as Darcy Purnelli in Richman’s: Hugo Strange (Horror)

F. Murray Abraham

as Dr. Hugo Strange in Richman’s: Hugo Strange (Horror)

Inland Empire

as Influences in Richman’s: Backrooms 2 (Original)

Limbo

as Influences in Richman’s: Backrooms 2 (Original)

Shutter Island

as Influences in Richman’s: Backrooms 2 (Original)

Skinamarink

as Influences in Richman’s: Backrooms 2 (Original)

The Backrooms

as Influences in Richman’s: Backrooms 2 (Original)

Benedict Cumberbatch

as Father Warren in Richman’s: Backrooms 2 (Original)

Hamish Linklater

as Father Warren in Richman’s: Backrooms 2 (Original)