Who plays Klaus (Number 4) in The Umbrella Academy?
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Robert Sheehan: 15 facts you didn't know about The Umbrella Academy star
5. Who plays Klaus (Number 4) in The Umbrella Academy?
Robert plays the role of Klaus Hargreeves (Number 4) in The Umbrella Academy. Klaus is also known as The Séance. His powers are levitation, telekinesis, and the ability to contact the dead, although his powers only work when he is sober. [Netflix]