My Gym Partner's a Monkey/Regular Show

Cast

• Adam as Mordecai
• Jake as Rigby
• Principal Pixiefrog as Benson
• Slips as Pops
• Windsor as Skips
• Bull as Muscle Man
• Henry as High-Five Ghost
• Ingrid as Margaret
• Lupe as Eileen
• Phineas as Garrett Bobby Ferguson
• Margaret, Joanie, and LaTanya as Starla
• Mrs. Warthog as Toothpick Sally
• Kerry as CJ