Russell Brand appears in this June 9 Tonight Show with Jay Leno video clip. Russell Brand previously sat down in April with Jay Leno to promote “Forgetting Sarah Marshall.”
More of the Tonight Show Russell Brand appearance after the jump.

New American Idol David Cook stops by the May 22 Tonight Show with Jay Leno in this video clip.

“The Office” star Rainn Wilson stopped by the May 14 Tonight Show with Jay Leno in this video clip.
More of Rainn Wilson on the Tonight Show after the jump, including his run for Vice President with John McCain.

Harrison Ford stops by the May 9 Tonight Show with Jay Leno in this video clip, talking about the new Indiana Jones movie, among other fun things.
Part two of Jay Leno’s Tonight Show interview with Harrison Ford after the jump.

The Office star Jenna Fischer stops by the May 8 Tonight Show with Jay Leno in this video clip.
More of Jenna Fischer’s Tonight Show interview after the jump.

If you’ve wondered what Helen Hunt has been up to lately — wonder no more. Helen Hunt stops by the April 28 Tonight Show with Jay Leno in this video clip to promote her new movie.
More of Jay Leno’s interview with Helen Hunt after the jump.

Prince performs on the April 25 Tonight Show with Jay Leno in this video clip.

Arnold Schwarzenegger was on the April 24 Tonight Show with Jay Leno — check out the video clip.
Part two of the Arnold Scharzenegger Tonight Show interview after the jump.