Marc Guggenheim Regarding “Constantine,” & “Flash/Arrow” 2 Part Crossover
In a conversation with Deadline, executive producer for Arrow, The Flash, and the upcoming Legends Of Tomorrow, Marc Guggenheim, chatted about bringing in...
Hellblazer
In a conversation with Deadline, executive producer for Arrow, The Flash, and the upcoming Legends Of Tomorrow, Marc Guggenheim, chatted about bringing in...
